| Sonchus asper (L.) Hill | United States | Robert Merrill King & Robert M. Garvey | 12322 | MO | Tropicos | 2418574 | no |
| Sonchus oleraceus L. | Ecuador | H. Balslev F. Quintana | 814 | MO | Tropicos | 2632573 | no |
| Sonchus oleraceus L. | Ecuador | H. Balslev F. Quintana | 912 | MO | Tropicos | 2632735 | no |
| Sonchus oleraceus L. | Ecuador | H. Balslev | 1046 | MO | Tropicos | 2633009 | no |
| Sonchus oleraceus L. | Argentina | Ahumada, O., Castellón, A. & Agüero, J. | 8706 | MO | Tropicos | 2439781 | no |
| Sonchus tenerrimus L. | Argentina | Hunziker, A. T. | 801 | MO | Tropicos | 2439785 | no |
| Sonchus oleraceus L. | Argentina | Hunziker, A. T. | 8112 | MO | Tropicos | 2439744 | no |
| Sonchus oleraceus L. | Argentina | Salgado, C. R. | 86 | MO | Tropicos | 2439762 | no |
| Sonchus asper (L.) Hill | Argentina | Ahumada, O., Castellón & A. | 9095 | MO | Tropicos | 2440248 | no |
| Sonchus oleraceus L. | Argentina | Hunziker, A. T. | 9924 | MO | Tropicos | 2440253 | no |
| Sonchus oleraceus L. | Argentina | Biurrun, F., Corzo & R. | 907 | MO | Tropicos | 2440282 | no |
| Sonchus L. | Argentina | Ahumada, O., Agüero, J. & Giraldo-Cañas, D. | 8866 | MO | Tropicos | 2439717 | no |
| Sonchus asper (L.) Hill | Argentina | Ahumada, O., Castellón & A. | 8785 | MO | Tropicos | 2439729 | no |
| Sonchus oleraceus L. | Argentina | Ahumada, O., Agüero & J. | 8506 | MO | Tropicos | 2438594 | no |
| Sonchus arvensis L. | United States | Robert Merrill King & Robert M. Garvey | 12232 | MO | Tropicos | 2545654 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Robert Merrill King & Robert M. Garvey | 12888 | MO | Tropicos | 2647623 | no |
| Sonchus oleraceus L. | Ireland | Robert Merrill King & Robert M. Garvey | 12440 | MO | Tropicos | 2647793 | no |
| Sonchus asper (L.) Hill | Brazil | Reitz, P. R., Klein & R. M. | 6911 | MO | Tropicos | 2452233 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 22422 | MO | Tropicos | 2531545 | no |
| Sonchus asper (L.) Hill | Panama | W.G. & J.J. D'Arcy | 6527 | MO | Tropicos | 2531625 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat & Duncan M. Porter | 15645 | MO | Tropicos | 2531631 | no |
| Sonchus oleraceus L. | Panama | J.P. Folsom, W.G. D'Arcy & Larry E. Skog | 2081 | MO | Tropicos | 2531632 | no |
| Sonchus oleraceus L. | Mexico | Thomas B. Croat | 45167 | MO | Tropicos | 2531619 | no |
| Sonchus oleraceus L. | Panama | W. H. Lewis, B. MacBryde, R. L. Oliver & J. E. Ridgway | 1793 | MO | Tropicos | 2531586 | no |
| Sonchus oleraceus L. | Belize | Thor Arnason | 17765 | MO | Tropicos | 2531592 | no |
| Sonchus oleraceus L. | Costa Rica | J.M. Greenman & M.T. Greenman | 5517 | MO | Tropicos | 2531703 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 10639 | MO | Tropicos | 2531831 | no |
| Sonchus oleraceus L. | Costa Rica | Evelio Alfaro | 2429 | MO | Tropicos | 2531786 | no |
| Sonchus oleraceus L. | Mexico | Thomas B. Croat | 40381 | MO | Tropicos | 2531783 | no |
| Sonchus asper (L.) Hill | Mexico | T.C. Frye & E.M. Frye | 2334 | MO | Tropicos | 2531952 | no |
| Sonchus asper (L.) Hill | Mexico | E. Lyonnet | 446 | MO | Tropicos | 2531912 | no |
| Sonchus oleraceus L. | Mexico | Margarita Rodríguez | 121 | MO | Tropicos | 2531936 | no |
| Sonchus oleraceus L. | Panama | W.G. D'Arcy | 9796 | MO | Tropicos | 2532109 | no |
| Sonchus oleraceus L. | Panama | Mireya D. Correa A. | 1319 | MO | Tropicos | 2532105 | no |
| Sonchus oleraceus L. | Panama | Tania Belíz | 253 | MO | Tropicos | 2532194 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 34817 | MO | Tropicos | 2532195 | no |
| Sonchus oleraceus L. | Panama | W.G. D'Arcy & Janet J. D'Arcy | 6526 | MO | Tropicos | 2532191 | no |
| Sonchus oleraceus L. | Costa Rica | L.D. Gómez P., I.A. Chacón G., R. Chacón & G. Herrera C. | 21798 | MO | Tropicos | 2532180 | no |
| Sonchus oleraceus L. | Guatemala | John D. Dwyer | 15296 | MO | Tropicos | 2532182 | no |
| Sonchus L. | Mexico | Unknown | 168 | MO | Tropicos | 2532282 | yes |
| Sonchus asper (L.) Hill | Panama | R.E. Woodson Jr., P.H. Allen, R.J. Seibert | 1001 | MO | Tropicos | 2532352 | no |
| Sonchus oleraceus L. | Mexico | J.A. Duke | M39602 | MO | Tropicos | 2532401 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 13531 | MO | Tropicos | 2532522 | no |
| Sonchus asper (L.) Hill | Mexico | Gpe. Martínez C. | 857 | MO | Tropicos | 2530576 | no |
| Sonchus oleraceus L. | Costa Rica | Alex. Rodríguez | 2512 | MO | Tropicos | 2530640 | no |
| Sonchus oleraceus L. | Mexico | G.F. Gaumer | 310 | MO | Tropicos | 2530700 | no |
| Sonchus oleraceus L. | Mexico | C.R. Orcutt | 4077 | MO | Tropicos | 2530784 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 34494 | MO | Tropicos | 2530828 | no |
| Sonchus oleraceus L. | Panama | R.E. Woodson Jr., R.W. Schery | 278 | MO | Tropicos | 2530820 | no |
| Sonchus oleraceus L. | Mexico | W.G. D'Arcy | 11787 | MO | Tropicos | 2530913 | no |
| Sonchus oleraceus L. | Panama | W.H. Lewis, D.G. Burch, John D. Dwyer, Thomas S. Elias, N. Escobar A., R.L. Oliver & K.R. Robertson | 628 | MO | Tropicos | 2530902 | no |
| Sonchus oleraceus L. | Guatemala | Thomas B. Croat | 41454 | MO | Tropicos | 2530977 | no |
| Sonchus oleraceus L. | Costa Rica | F.G. Meyer | 10040 | MO | Tropicos | 2530976 | no |
| Sonchus oleraceus L. | Honduras | Mario E. Villeda | 197 | MO | Tropicos | 2531057 | no |
| Sonchus tenerrimus L. | Mexico | C.R. Orcutt | s.n. | MO | Tropicos | 2531062 | no |
| Sonchus asper (L.) Hill | Mexico | G. Arséne | 3137 | MO | Tropicos | 2531073 | no |
| Sonchus oleraceus L. | Mexico | R. Hernández Magaña, David Rodríguez B. | 5512 | MO | Tropicos | 2531137 | no |
| Sonchus oleraceus L. | Mexico | G. Arséne | s.n. | MO | Tropicos | 2531237 | no |
| Sonchus oleraceus L. | Panama | W.G. D'Arcy & Janet J. D'Arcy | 6531 | MO | Tropicos | 2531300 | no |
| Sonchus oleraceus L. | Costa Rica | B. Gamboa R. | 1000 | MO | Tropicos | 2531510 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 10488 | MO | Tropicos | 2531470 | no |
| Sonchus oleraceus L. | Mexico | Thomas B. Croat | 39526 | MO | Tropicos | 2531457 | no |
| Sonchus oleraceus L. | Costa Rica | A. Rodríguez G. & L.D. Vargas | 2557 | MO | Tropicos | 2531554 | no |
| Sonchus oleraceus L. | Mexico | John D. Dwyer | 14197 | MO | Tropicos | 2530310 | no |
| Sonchus oleraceus L. | Mexico | Robert M. Stewart | 2251 | MO | Tropicos | 2530410 | no |
| Sonchus oleraceus L. | Mexico | Esaú Velasco Lópex en colaboración con Gary J. Martin | 0113 | MO | Tropicos | 2530416 | no |
| Sonchus oleraceus L. | Mexico | Gary J. Martin | 217 | MO | Tropicos | 2530398 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 13531 | MO | Tropicos | 2530493 | no |
| Sonchus asper (L.) Hill | Mexico | M.J. Jasso | 651 | MO | Tropicos | 2530526 | no |
| Sonchus asper (L.) Hill | Paraguay | Montes, J. E., | 12677 | MO | Tropicos | 2489675 | no |
| Sonchus oleraceus L. | Paraguay | Jörgensen, P., | 7278 | MO | Tropicos | 2489689 | no |
| Sonchus oleraceus L. | Paraguay | Vanni, R. O., Radovancich, A. & Schinini, A. | 2009 | MO | Tropicos | 2489702 | no |
| Sonchus oleraceus L. | Paraguay | Jiménez, B., | 1496 | MO | Tropicos | 2489715 | no |
| Sonchus asper (L.) Hill | Uruguay | Rosengurtt, B. | 531 | MO | Tropicos | 2516833 | no |
| Sonchus asper (L.) Hill | Argentina | Hunziker, A. T. | 7865 | MO | Tropicos | 2427634 | no |
| Sonchus asper (L.) Hill | Chile | Ricardi, S. M. | 3590 | MO | Tropicos | 2476787 | no |
| Sonchus oleraceus L. | Mexico | George B. Hinton | 8247 | MO | Tropicos | 2533522 | yes |
| Sonchus tenerrimus L. | Mexico | A.W. Anthony | 295 | MO | Tropicos | 2533653 | no |
| Sonchus oleraceus L. | Honduras | Freddy Espinal O. | 244 | MO | Tropicos | 2533777 | no |
| Sonchus oleraceus L. | Panama | W.G. D'Arcy & Janet J. D'Arcy | 6530 | MO | Tropicos | 2533766 | no |
| Sonchus oleraceus L. | Panama | J.P. Folsom, Gordon Small & Robert Robbins | 4817 | MO | Tropicos | 2533848 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 26931 | MO | Tropicos | 2533846 | no |
| Sonchus oleraceus L. | Panama | W.G. D'Arcy | 10710 | MO | Tropicos | 2533925 | no |
| Sonchus oleraceus L. | Mexico | George B. Happ | 50 | MO | Tropicos | 2533923 | no |
| Sonchus oleraceus L. | Mexico | D.E. Breedlove | 28089 | MO | Tropicos | 2533890 | no |
| Sonchus oleraceus L. | Guatemala | Thomas B. Croat | 41071 | MO | Tropicos | 2533921 | no |
| Sonchus oleraceus L. | Mexico | Saúl Hernández López | 0063a | MO | Tropicos | 2534006 | no |
| Sonchus oleraceus L. | Mexico | Dunn, C. Dziekanowski & Bollingbroke | 38 | MO | Tropicos | 2534022 | no |
| Sonchus oleraceus L. | Mexico | Edward Palmer | 4240 | MO | Tropicos | 2534020 | no |
| Sonchus oleraceus L. | Panama | Kurt E. Blum & John D. Dwyer | 2527A | MO | Tropicos | 2534100 | no |
| Sonchus oleraceus L. | Mexico | Edward Palmer | 52 | MO | Tropicos | 2534188 | no |
| Sonchus oleraceus L. | Mexico | J. Gregg | 583 | MO | Tropicos | 2534175 | yes |
| Sonchus oleraceus L. | Mexico | E. Martínez S., J.C. Soto N. | 3693 | MO | Tropicos | 2534250 | no |
| Sonchus oleraceus L. | Mexico | Jose Rivera Reyes en colaboración con Gary J. Martin | 0792 | MO | Tropicos | 2534275 | no |
| Sonchus oleraceus L. | Mexico | E. Matuda | 1279 | MO | Tropicos | 2534335 | no |
| Sonchus oleraceus L. | Mexico | Laura López López en colaboración con Gary J. Martin | 0332 | MO | Tropicos | 2534353 | no |
| Sonchus oleraceus L. | Panama | W.G. D'Arcy, B. Hammel, E.C. Hill, S. Schwartz, O. Wolcott & H. Wolcott | 12807 | MO | Tropicos | 2534432 | no |
| Sonchus oleraceus L. | Costa Rica | Fernando Solís Rojas | 76 | MO | Tropicos | 2534477 | no |
| Sonchus oleraceus L. | Costa Rica | Fernando Solís Rojas | 243 | MO | Tropicos | 2534475 | no |
| Sonchus oleraceus L. | Panama | W.G. D'Arcy & Janet J. D'Arcy | 6618 | MO | Tropicos | 2532604 | no |
| Sonchus oleraceus L. | Panama | John E. Ebinger | 703 | MO | Tropicos | 2532606 | no |
| Sonchus oleraceus L. | Mexico | G.M. Calderón | 859 | MO | Tropicos | 2532597 | no |
| Sonchus oleraceus L. | Guatemala | Thomas B. Croat | 41946 | MO | Tropicos | 2532673 | no |
| Sonchus oleraceus L. | Mexico | G. Arséne | 33 | MO | Tropicos | 2532675 | no |
| Sonchus L. | Mexico | J. Gregg | 167 | MO | Tropicos | 2532773 | yes |
| Sonchus asper (L.) Hill | Mexico | Howard Scott Gentry | 6228 | MO | Tropicos | 2532851 | no |
| Sonchus oleraceus L. | Mexico | Thomas B, Croat | 353 | MO | Tropicos | 2532811 | no |
| Sonchus oleraceus L. | Mexico | Salomón Maya J. | 3346 | MO | Tropicos | 2532833 | no |
| Sonchus oleraceus L. | Costa Rica | G.O. Worthen | s.n. | MO | Tropicos | 2532977 | no |
| Sonchus oleraceus L. | Panama | W.G. D'Arcy, B.E. Hammel, E.C. Hill, S. Schwartz, O. Wolcott & H. Wolcott | 13128 | MO | Tropicos | 2532975 | no |
| Sonchus oleraceus L. | Panama | W.G. D'Arcy & Janet J. D'Arcy | 6531 | MO | Tropicos | 2533022 | no |
| Sonchus oleraceus L. | Honduras | W.G. D'Arcy & Janet J. D'Arcy | 6838 | MO | Tropicos | 2533010 | no |
| Sonchus oleraceus L. | Panama | W.G. D'Arcy | s.n. | MO | Tropicos | 2533102 | no |
| Sonchus oleraceus L. | Mexico | José C. Soto Núñez y Guillermo Ramírez | 1731 | MO | Tropicos | 2533110 | no |
| Sonchus oleraceus L. | Mexico | George B. Hinton & James C. Hinton | 12986 | MO | Tropicos | 2533219 | yes |
| Sonchus oleraceus L. | Mexico | M. Fuentes O. | 816 | MO | Tropicos | 2533309 | no |
| Sonchus oleraceus L. | Mexico | Elena A. Buylla y Raul Garcia | 733 | MO | Tropicos | 2533264 | no |
| Sonchus oleraceus L. | Panama | Barry Hammel | 2861 | MO | Tropicos | 2533279 | no |
| Sonchus oleraceus L. | Honduras | Martha M. García | 43 | MO | Tropicos | 2533269 | no |
| Sonchus oleraceus L. | Costa Rica | Thomas B. Croat | 350 | MO | Tropicos | 2533267 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 34976 | MO | Tropicos | 2533435 | no |
| Sonchus oleraceus L. | Panama | John D. Dwyer & M.V. Hayden | 7684A | MO | Tropicos | 2533433 | no |
| Sonchus oleraceus L. | Panama | Robert J. Schmalzel | 1579 | MO | Tropicos | 2533558 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 10639 | MO | Tropicos | 2533519 | no |
| Sonchus arvensis uliginosus (M. Bieb.) Nyman | United States | Summers, Bill | 9545 | MO | Tropicos | 2534824 | no |
| Sonchus L. | United States | L. Nye & G. Gust | 48 | MO | Tropicos | 2651269 | no |
| Sonchus oleraceus L. | Ecuador | L. B. Holm-Nielsen, Quintana, F. | 23996 | MO | Tropicos | 2653336 | no |
| Sonchus asper (L.) Hill | Ecuador | L. B. Holm-Nielsen | 24269 | MO | Tropicos | 2654030 | no |
| Sonchus oleraceus L. | Argentina | Ringuelet, E. J. | 646 | MO | Tropicos | 2404757 | no |
| Sonchus asper (L.) Hill | Argentina | Sáenz, J. L., Ojeda & N. P. | 660 | MO | Tropicos | 2404747 | no |
| Sonchus asper (L.) Hill | Argentina | Hunziker, A. T. | 6943 | MO | Tropicos | 2404728 | no |
| Sonchus oleraceus L. | Argentina | Novara, L. J. | 6939 | MO | Tropicos | 2404804 | no |
| Sonchus oleraceus L. | Argentina | Salgado, C. R. | 63 | MO | Tropicos | 2404785 | no |
| Sonchus L. | Argentina | Hunziker, A. T. | 5262 | MO | Tropicos | 2406293 | no |
| Sonchus oleraceus L. | Argentina | Hunziker, A. T. | 550 | MO | Tropicos | 2406347 | no |
| Sonchus asper (L.) Hill | Argentina | Tressens, S. G., Keller, H. A., Maruñak, V., Pieszko, G., Revilla, V., Robledo, F., Valenzuela, S. & Vebra, O. | 5609 | MO | Tropicos | 2406311 | no |
| Sonchus asper (L.) Hill | Argentina | Tressens, S. G., Keller, H. A., Maruñak, V., Revilla, V., Robledo, F., Vebra, O. & Vebra, W. | 5919 | MO | Tropicos | 2406329 | no |
| Sonchus L. | Ecuador | L. B. Holm-Nielsen Silva, D. & Velastegui, P. | 16927 | MO | Tropicos | 2624964 | no |
| Sonchus L. | Ecuador | L. B. Holm-Nielsen Bravo, E. & Gomez, P. | 18997 | MO | Tropicos | 2627747 | no |
| Sonchus oleraceus L. | Ecuador | L. B. Holm-Nielsen Jeppesen, S. & Lojtnant, B. & Ollgaard, B. | 2029 | MO | Tropicos | 2627958 | no |
| Sonchus oleraceus L. | United States | Andrew Townesmith & Gregory Gust | 287 | MO | Tropicos | 2909984 | no |
| Sonchus arvensis glabrescens Günther, Grab. & Wimm. | United States | Andrew Townesmith & Gregory Gust | 288 | MO | Tropicos | 2909988 | no |
| Sonchus L. | Ecuador | Thomas B. Croat, Chris & Sharon Davidson | 96341 | MO | Tropicos | 3018419 | no |
| Sonchus arvensis uliginosus (M. Bieb.) Nyman | United States | Robert Merrill King & Robert M. Garvey | 12770 | MO | Tropicos | 3143054 | no |
| Sonchus oleraceus L. | United States | Robert Merrill King & Robert M. Garvey | 13655 | MO | Tropicos | 3143638 | no |
| Sonchus oleraceus L. | Peru | H. van der Werff, L. Valenzuela & E. Suclli | 20716 | MO | Tropicos | 3058675 | no |
| Sonchus oleraceus L. | Guatemala | John Pruski & Rosa Ortiz | 4270 | MO | Tropicos | 3194004 | yes |
| Sonchus oleraceus L. | Mexico | John Pruski, Rosa Ortiz & Jorge Martínez M. | 4247 | MO | Tropicos | 3192775 | yes |
| Sonchus arvensis L. | United Kingdom | Hatton, T.J. | s.n. | MO | Tropicos | 3090063 | no |
| Sonchus asper subsp. asper | United States | Gerrit Davidse | 39265 | MO | Tropicos | 3180135 | yes |
| Sonchus oleraceus L. | China | G. Yatskievych, Deng Zhiwei (TNC volunteer), Ana (Tibetan doctor), Naji (local villager) | 04-190 | MO | Tropicos | 3011744 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | G. Gust & A. Townesmith | 1066 | MO | Tropicos | 3008681 | no |
| Sonchus oleraceus L. | Ecuador | C. Dodson | 11642 | MO | Tropicos | 3009388 | no |
| Sonchus L. | Peru | I. Huamantupa, N. Anaya, M. Callalli, J. Tito & L. Vargas | 6699 | MO | Tropicos | 3111223 | no |
| Sonchus arvensis L. | United States | John Pruski | 4104 | MO | Tropicos | 3105323 | no |
| Sonchus L. | Tanzania, United Republic of | M. A. Mwangoka & M. Ramadhani | 4079 | MO | Tropicos | 2981533 | no |
| Sonchus L. | Guatemala | Thomas B. Croat | 41961 | MO | Tropicos | 2981935 | no |
| Sonchus asper subsp. asper | United States | Drouet, Francis E. | 486 | MO | Tropicos | 2981991 | no |
| Sonchus arvensis uliginosus (M. Bieb.) Nyman | United States | Muehlenbach, Viktor | 1449 | MO | Tropicos | 2981990 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Thomas B. Croat | 97597 | MO | Tropicos | 3047227 | no |
| Sonchus schweinfurthii Muschl. | Uganda | P. K. Rwaburindore | 5683 | MO | Tropicos | 3162727 | no |
| Sonchus oleraceus L. | Nicaragua | I. Coronado G., J. Martínez, R.M. Reyes & M. Fletes | 836 | MO | Tropicos | 2705885 | no |
| Sonchus oleraceus L. | Mexico | A.L. Reina G. & T.R. Van Devender | 97-341 | MO | Tropicos | 2967767 | no |
| Sonchus asper (L.) Hill | Unknown or unspecified country | Alain & Perfa Liogier, Luis F. Martorell | 34974 | MO | Tropicos | 2716439 | no |
| Sonchus L. | Unknown or unspecified country | Eggers | s.n. | MO | Tropicos | 2716435 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | E.J. Valeur | 921 | MO | Tropicos | 2719558 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | A.S. Hitchcock | s.n. | MO | Tropicos | 2719551 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Wm. Harris | 11974 | MO | Tropicos | 2719553 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | A.S. Hitchcock | s.n. | MO | Tropicos | 2719550 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | P. Sintenis | 384c | MO | Tropicos | 2719564 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Alfred E. Ricksecker | 151 | MO | Tropicos | 2719732 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | P. Sintenis | 384 | MO | Tropicos | 2719731 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | W.E. Broadway | 5320 | MO | Tropicos | 2719733 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | A. Fuentes, T. Miranda, J. Colque, R. Hurtado, I. Jimenez, E. Cuevas & R. Cuevas | 8424 | MO | Tropicos | 2715211 | no |
| Sonchus oleraceus L. | Viet Nam | HLF: N.T. Hiep et al. | 1138 | MO | Tropicos | 2801556 | no |
| Sonchus transcaspicus Nevski | Turkmenistan | D. Kurbanov | 2246 | MO | Tropicos | 2726866 | no |
| Sonchus L. | Peru | W. Galiano, E. Suclli, P. Nuñez, A. Rodríguez & V. Chama. | 6166 | MO | Tropicos | 2740176 | no |
| Sonchus oleraceus L. | Ecuador | Selene Ba!4ez | 82 | MO | Tropicos | 2777189 | no |
| Sonchus schweinfurthii Oliv. & Hiern | Tanzania, United Republic of | C.J. Kayombo, W. Kindeketa & G. Simon Laizer | 4946 | MO | Tropicos | 2823989 | no |
| Sonchus L. | Tanzania, United Republic of | W. Kindeketa, C. Kayombo & G. Simon Laizer | 2542 | MO | Tropicos | 2824092 | no |
| Sonchus oleraceus L. | United States | G. Gust & L. Nye | 463 | MO | Tropicos | 2699130 | no |
| Sonchus uliginosus M. Bieb. | United States | Robert Merrill King & Robert M. Garvey | 13199 | MO | Tropicos | 2697533 | no |
| Sonchus oleraceus L. | Costa Rica | J.F. Morales | 2951 | MO | Tropicos | 2781330 | no |
| Sonchus oleraceus L. | El Salvador | M. Sandoval | 1428 | MO | Tropicos | 2781490 | no |
| Sonchus oleraceus L. | Panama | James A. Duke | 9006 | MO | Tropicos | 2780802 | no |
| Sonchus oleraceus L. | Nicaragua | P.P. Moreno | 6031-B | MO | Tropicos | 2780840 | no |
| Sonchus oleraceus L. | Ecuador | Estudiantes Espoch:Fabian Intriago | 692 | MO | Tropicos | 2778219 | no |
| Sonchus oleraceus L. | Peru | O.L. Orozco | 139 | MO | Tropicos | 2866954 | no |
| Sonchus L. | Tanzania, United Republic of | W.R.Q. & P.A. Luke, M.A. Mwangoka, L. Festo & S. Bodine | 11024 | MO | Tropicos | 2754697 | no |
| Sonchus asper (L.) Hill | Madagascar | PERRIER DE LA BATHIE | 3378 | MO | Tropicos | 2945915 | yes |
| Sonchus oleraceus L. | Nicaragua | L.O. Williams, A. Molina R. & T.P. Williams | 23424 | MO | Tropicos | 2945232 | no |
| Sonchus oleraceus L. | El Salvador | Sandoval, E. & M. Sandoval | 1428 | MO | Tropicos | 1009036 | no |
| Sonchus oleraceus L. | Panama | J.E. Averett, W.G. D'Arcy & Barry E. Hammel | 1063 | MO | Tropicos | 1052357 | no |
| Sonchus oleraceus L. | Ecuador | Carlos Cerón | 13586 | MO | Tropicos | 1065061 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 3176 | MO | Tropicos | 1096580 | no |
| Sonchus L. | Mexico | Thomas B. Croat | 78624 | MO | Tropicos | 1097251 | no |
| Sonchus oleraceus L. | Ecuador | Huttel, Ch. | 1878 | MO | Tropicos | 1001445 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 10197 | MO | Tropicos | 1114930 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 10332 | MO | Tropicos | 1120837 | no |
| Sonchus L. | Zambia | M.G. Bingham | 10197 | MO | Tropicos | 1121418 | no |
| Sonchus oleraceus L. | Colombia | R. Callejas & A. Echeverri | 11497 | MO | Tropicos | 1149291 | no |
| Sonchus asper (L.) Hill | Ecuador | Eduardo Kohn | 1383 | MO | Tropicos | 1162635 | no |
| Sonchus asper (L.) Hill | Ecuador | Eduardo Kohn | 1388 | MO | Tropicos | 1162639 | no |
| Sonchus asper (L.) Hill | Ecuador | Eduardo Kohn | 1452 | MO | Tropicos | 1162647 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 3434 | MO | Tropicos | 1181544 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 3476 | MO | Tropicos | 1181666 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 3762 | MO | Tropicos | 1183506 | no |
| Sonchus oleraceus L. | United States | James C. Solomon | 1132 | MO | Tropicos | 1193693 | no |
| Sonchus L. | Canada | W. G. D'Arcy | 3701 | MO | Tropicos | 1190430 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 11465 | MO | Tropicos | 1190752 | no |
| Sonchus asper (L.) Hill | Nicaragua | W.D. Stevens | 11455 | MO | Tropicos | 1190738 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 3972 | MO | Tropicos | 1188070 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 11403 | MO | Tropicos | 1189775 | no |
| Sonchus asper (L.) Hill | Peru | José Campos, R. Vásquez, A. Vásquez y P. López | 2751 | MO | Tropicos | 1200301 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 11877 | MO | Tropicos | 1199326 | no |
| Sonchus oleraceus L. | Nicaragua | R.M. Rueda & I. Coronado G. | 8046 | MO | Tropicos | 1290714 | no |
| Sonchus oleraceus L. | Ecuador | P.M. Ramsay & P.J. Merrow-Smith | 44 | MO | Tropicos | 1293157 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens & A. Grijalva | 15788 | MO | Tropicos | 1299906 | no |
| Sonchus oleraceus L. | Costa Rica | W.D. Stevens | 13652 | MO | Tropicos | 1308641 | no |
| Sonchus oleraceus L. | Costa Rica | W.D. Stevens | 13654 | MO | Tropicos | 1308642 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens | 5615 | MO | Tropicos | 1240782 | no |
| Sonchus asper (L.) Hill | United States | John Pruski | 4304 | MO | Tropicos | 3209365 | no |
| Sonchus L. | Argentina | Dr. A.Donat | 273 | MO | Tropicos | 3377740 | no |
| Sonchus oleraceus L. | Uruguay | L. Barottini | s.n. | MO | Tropicos | 3377848 | no |
| Sonchus oleraceus L. | Argentina | R. Martinez, Crovetto & A. Schinini | 10405 | MO | Tropicos | 3377825 | no |
| Sonchus L. | Argentina | J.O. Reche | s.n. | MO | Tropicos | 3377862 | no |
| Sonchus oleraceus L. | Uruguay | Guil Herter | 489 | MO | Tropicos | 3378071 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | José Steinbach | 8958 | MO | Tropicos | 3378045 | no |
| Sonchus oleraceus L. | Peru | M. Dillon, J. Aronson, A. Herra, and P. Berry | 1256 | MO | Tropicos | 3378145 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | Roy F. Steinbach | 79 | MO | Tropicos | 3378286 | no |
| Sonchus oleraceus L. | Peru | Gilles Robert Brunel | 982 | MO | Tropicos | 3378273 | no |
| Sonchus L. | Ecuador | Ana Moya | 005 | MO | Tropicos | 3378238 | no |
| Sonchus oleraceus L. | Peru | J. Hudson | 951 | MO | Tropicos | 3378338 | no |
| Sonchus oleraceus L. | Brazil | Jim Conrad & Werner Dietrich | 1966 | MO | Tropicos | 3378422 | yes |
| Sonchus asper (L.) Hill | Paraguay | Itaipú Binacional | 39 | MO | Tropicos | 3378397 | no |
| Sonchus L. | Argentina | Dr. A. Donat | 274 | MO | Tropicos | 3378612 | no |
| Sonchus L. | Bolivia, Plurinational State of | J. Willian | 13 | MO | Tropicos | 3378571 | no |
| Sonchus oleraceus L. | Venezuela, Bolivarian Republic of | Juian A. Steyermark & Victor Carreño Espinoza | 112730 | MO | Tropicos | 3378646 | no |
| Sonchus asper (L.) Hill | Bolivia, Plurinational State of | J. Teran, M. Alcazar-Johansen & E. Zurita | 532 | MO | Tropicos | 3366132 | no |
| Sonchus asper (L.) Hill | Argentina | Gaspar Xuarez | 15386 | MO | Tropicos | 3411815 | no |
| Sonchus oleraceus L. | Ecuador | Robert Merrill King, Paul M. Peterson, Emmet J. Judziewicz | 10112 | MO | Tropicos | 3376755 | no |
| Sonchus asper (L.) Hill | Bolivia, Plurinational State of | Roy F. Steinbach | 80 | MO | Tropicos | 3376882 | no |
| Sonchus oleraceus L. | Chile | Thos. Morong | 1217 | MO | Tropicos | 3376952 | no |
| Sonchus oleraceus L. | Argentina | Troels Myndel Pedersen | 13922 | MO | Tropicos | 3377135 | yes |
| Sonchus oleraceus L. | Paraguay | F. Mereles | 4175 | MO | Tropicos | 3377293 | no |
| Sonchus asper (L.) Hill | Peru | M.Dillon | 2600 | MO | Tropicos | 3377292 | no |
| Sonchus oleraceus L. | Peru | Gilles Robert Brunel | 549 | MO | Tropicos | 3377386 | no |
| Sonchus oleraceus L. | Ecuador | F. R. Fosberg | 44766 | MO | Tropicos | 3377546 | no |
| Sonchus oleraceus L. | Argentina | R. Leon | s.n. | MO | Tropicos | 3377655 | no |
| Sonchus asper (L.) Hill | Peru | M. Dillon, I. Sanchez V., U. Molau, & P. Matekaitis | 2987 | MO | Tropicos | 3377623 | no |
| Sonchus L. | Venezuela, Bolivarian Republic of | Luis Ruiz-Teran & Manuel Lopez-Figueiras | 101 | MO | Tropicos | 3377622 | no |
| Sonchus asper (L.) Hill | Peru | A.C. Hamilton & P.M. Holligan | 1417 | MO | Tropicos | 3376105 | no |
| Sonchus oleraceus L. | Paraguay | Itaipú Binacional | 437 | MO | Tropicos | 3376335 | no |
| Sonchus oleraceus L. | Brazil | A. Butzke et alii | 7119 | MO | Tropicos | 3376611 | yes |
| Sonchus asper (L.) Hill | United States | John R. MacDonald | 12499 | MO | Tropicos | 3445474 | no |
| Sonchus L. | Peru | I. Huamantupa | 7699 | MO | Tropicos | 3337691 | no |
| Sonchus oleraceus L. | Peru | J. Farfán | 608 | MO | Tropicos | 3337984 | no |
| Sonchus asper (L.) Hill | Spain | X. Delannay | 1471 | MO | Tropicos | 3436759 | no |
| Sonchus asper glaucescens (Jord.) Ball | Spain | X. Delannay | 1406 | MO | Tropicos | 3436760 | no |
| Sonchus tenerrimus L. | France | X. Delannay | 1905 | MO | Tropicos | 3436761 | no |
| Sonchus oleraceus L. | Spain | X. Delannay | 1398 | MO | Tropicos | 3436762 | no |
| Sonchus arvensis L. | France | X. Delannay | 1718 | MO | Tropicos | 3436763 | no |
| Sonchus asper (L.) Hill | Belgium | X. Delannay | 218 | MO | Tropicos | 3436758 | no |
| Sonchus oleraceus L. | Peru | P. Francia | 17 | MO | Tropicos | 3441610 | no |
| Sonchus oleraceus L. | Peru | P. Francia | 127 | MO | Tropicos | 3441611 | no |
| Sonchus asper subsp. asper | United States | Gerrit Davidse | 39438 | MO | Tropicos | 3440749 | yes |
| Sonchus oleraceus L. | Mexico | | 11 | MO | Tropicos | 100672850 | no |
| Sonchus oleraceus L. | Colombia | | 8018 | MO | Tropicos | 100673828 | no |
| Sonchus oleraceus L. | Colombia | | 7459 | MO | Tropicos | 100673825 | no |
| Sonchus oleraceus L. | Colombia | | 12266 | MO | Tropicos | 100673834 | no |
| Sonchus asper (L.) Hill | Argentina | | 233 | MO | Tropicos | 100768074 | no |
| Sonchus L. | United States | | 26171 | MO | Tropicos | 100768756 | no |
| Sonchus oleraceus L. | Colombia | | 8015 | MO | Tropicos | 100772821 | no |
| Sonchus asper (L.) Hill | Unknown or unspecified country | | 9061-28 | MO | Tropicos | 100764189 | no |
| Sonchus asper (L.) Hill | Unknown or unspecified country | | 9024-75 | MO | Tropicos | 100764191 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | | 9084-4 | MO | Tropicos | 100764192 | no |
| Sonchus oleraceus L. | Mexico | | 51 | MO | Tropicos | 100764196 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | | 17300 | MO | Tropicos | 100764185 | no |
| Sonchus arvensis L. | United States | J. Richard Abbott | 26656 | MO | Tropicos | 100758980 | yes |
| Sonchus oleraceus L. | United States | J. Richard Abbott, Barbara Carlsward | 13103 | MO | Tropicos | 100756530 | no |
| Sonchus asper (L.) Hill | United States | J. Richard Abbott, Ralph L. Thompson and Leslie C. Isaacs | 2998 | MO | Tropicos | 100757365 | no |
| Sonchus asper (L.) Hill | United States | J. Richard Abbott | 4544 | MO | Tropicos | 100757367 | no |
| Sonchus asper (L.) Hill | United States | J. Richard Abbott | 2442 | MO | Tropicos | 100757366 | no |
| Sonchus arvensis uliginosus (M. Bieb.) Nyman | United States | George Yatskievych | 13-25 | MO | Tropicos | 100654537 | no |
| Sonchus oleraceus L. | Australia | | 628 | MO | Tropicos | 100647857 | no |
| Sonchus asper (L.) Hill | Australia | | 328 | MO | Tropicos | 100647842 | no |
| Sonchus oleraceus L. | Australia | | 1031 | MO | Tropicos | 100647854 | no |
| Sonchus oleraceus L. | Australia | | 3274 | MO | Tropicos | 100648019 | no |
| Sonchus oleraceus L. | Venezuela, Bolivarian Republic of | | 3092 | MO | Tropicos | 100857817 | no |
| Sonchus asper (L.) Hill | United States | Peter H. Raven | 28772 | MO | Tropicos | 100849906 | no |
| Sonchus cacaliifolius M. Bieb. | Unknown or unspecified country | | s.n. | MO | Tropicos | 100576058 | yes |
| Sonchus lactucoides Bunge | Unknown or unspecified Africa | | 833 | MO | Tropicos | 100576064 | yes |
| Sonchus arvensis uliginosus (M. Bieb.) Nyman | United States | Steve R. Turner, George Yatskievych | 15-107 | MO | Tropicos | 100865177 | yes |
| Sonchus arvensis uliginosus (M. Bieb.) Nyman | United States | Steve R. Turner | 15-099 | MO | Tropicos | 100865169 | no |
| Sonchus uliginosus M. Bieb. | Unknown or unspecified country | | s.n. | MO | Tropicos | 100616763 | yes |
| Sonchus setosus Ehrenb. ex Sweet | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616759 | yes |
| Sonchus tenerrimus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616760 | yes |
| Sonchus zacinthoides DC. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616765 | yes |
| Sonchus longifolius Colla | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616795 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616791 | yes |
| Sonchus lacerus Willd. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616792 | yes |
| Sonchus intermedius Jan ex DC. | Italy | | s.n. | MO | Tropicos | 100616789 | yes |
| Sonchus ecklonianus DC. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616790 | yes |
| Sonchus roseus Andrz. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616804 | yes |
| Sonchus pectinatus DC. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616801 | yes |
| Sonchus pectinatus DC. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616800 | yes |
| Sonchus lyratus Willd. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616797 | yes |
| Sonchus maritimus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616798 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616811 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616812 | yes |
| Sonchus aquatilis Pourr. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616809 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616810 | yes |
| Sonchus oleraceus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616807 | yes |
| Sonchus oleraceus L. | Unknown or unspecified country | | s.n. | MO | Tropicos | 100616808 | yes |
| Sonchus palustris L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616806 | no |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616820 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616821 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616818 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616816 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616817 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616813 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616814 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616824 | yes |
| Sonchus L. | Unknown or unspecified Europe | | s.n. | MO | Tropicos | 100616823 | yes |
| Sonchus angustissimus Hook. f. | Tanzania, United Republic of | | EA98a | MO | Tropicos | 100820407 | no |
| Sonchus angustissimus Hook. f. | Tanzania, United Republic of | | 98 | MO | Tropicos | 100820408 | no |
| Sonchus oleraceus L. | Madagascar | | 2326 | MO | Tropicos | 100822859 | no |
| Sonchus asper (L.) Hill | Unknown or unspecified country | | 4841 | MO | Tropicos | 100832738 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | 949.5 | MO | Tropicos | 100830733 | no |
| Sonchus asper (L.) Hill | Unknown or unspecified country | | 949.8 | MO | Tropicos | 100830735 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | | 949.6 | MO | Tropicos | 100830736 | no |
| Sonchus oleraceus L. | Madagascar | | 2741 | MO | Tropicos | 100829749 | no |
| Sonchus oleraceus L. | Paraguay | | 3017 | MO | Tropicos | 100837706 | no |
| Sonchus oleraceus L. | United States | | 41199 | MO | Tropicos | 100635940 | no |
| Sonchus oleraceus L. | United States | | 2655 | MO | Tropicos | 100715148 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | | 8743 | MO | Tropicos | 100625488 | no |
| Sonchus oleraceus L. | Costa Rica | | s.n. | MO | Tropicos | 100624832 | no |
| Sonchus L. | Costa Rica | | s.n. | MO | Tropicos | 100624830 | no |
| Sonchus oleraceus L. | Brazil | | 6613 | MO | Tropicos | 100624827 | no |
| Sonchus oleraceus L. | Brazil | | 6708 | MO | Tropicos | 100624826 | no |
| Sonchus L. | Costa Rica | | s.n. | MO | Tropicos | 100624834 | no |
| Sonchus asper (L.) Hill | United States | | 2644 | MO | Tropicos | 100713633 | no |
| Sonchus oleraceus L. | Colombia | | 2425 | MO | Tropicos | 100586007 | no |
| Sonchus asper (L.) Hill | United States | | 500 | MO | Tropicos | 100586518 | no |
| Sonchus asper (L.) Hill | United States | | 7465 | MO | Tropicos | 100583084 | no |
| Sonchus asper subsp. asper | United States | Steve R. Turner, James Sullivan, George Van Brunt | 14-075 | MO | Tropicos | 100735937 | yes |
| Sonchus L. | United States | | 41888 | MO | Tropicos | 100731085 | no |
| Sonchus asper (L.) Hill | Colombia | | 11195 | MO | Tropicos | 100798789 | no |
| Sonchus arvensis uliginosus (M. Bieb.) Nyman | United States | O.A. Stevens | s.n. | MO | Tropicos | 100799415 | no |
| Sonchus oleraceus L. | United States | O.A. Stevens | s.n. | MO | Tropicos | 100799416 | no |
| Sonchus oleraceus L. | Peru | | 88 | MO | Tropicos | 100800610 | no |
| Sonchus asper (L.) Hill | United States | J. Richard Abbott | 9951 | MO | Tropicos | 100795115 | no |
| Sonchus asper (L.) Hill | United States | J. Richard Abbott, Barbara Carlsward | 18712 | MO | Tropicos | 100795116 | no |
| Sonchus asper (L.) Hill | United States | J. Richard Abbott | 24138 | MO | Tropicos | 100795117 | no |
| Sonchus oleraceus L. | United States | J. Richard Abbott | 7647 | MO | Tropicos | 100795118 | no |
| Sonchus oleraceus L. | United States | J. Richard Abbott | 24158 | MO | Tropicos | 100795119 | no |
| Sonchus oleraceus L. | United States | J. Richard Abbott | 22168 | MO | Tropicos | 100795120 | no |
| Sonchus asper (L.) Hill | United States | J. Richard Abbott | 18764 | MO | Tropicos | 100795114 | no |
| Sonchus asper (L.) Hill | United States | Vance Rich | 63 | MO | Tropicos | 100799646 | no |
| Sonchus bulbosus microcephalus (Rech. f.) N. Kilian & Greuter | Greece | | 1669 | MO | Tropicos | 100697699 | no |
| Sonchus oleraceus L. | Greece | | 1641 | MO | Tropicos | 100697170 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | | 4066 | MO | Tropicos | 100701921 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | | 26280 | MO | Tropicos | 100701923 | no |
| Sonchus oleraceus L. | United States | | 12538 | MO | Tropicos | 100703837 | yes |
| Sonchus oleraceus L. | Unknown or unspecified country | | s.n. | MO | Tropicos | 100700389 | no |
| Sonchus oleraceus L. | Paraguay | | 4278 | MO | Tropicos | 100930799 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Lambinon, J., F. Pironet & J. Rousselle | L79/330 | G | G | 16063/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Gamisans, J. | 15290 | G | G | 161040/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Gamisans, J. | 14252 | G | G | 161039/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Aellen, P. | 4028 | G | G | 161044/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Aellen, P. | 2452 | G | G | 161045/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Gamisans, J. | 14044 | G | G | 161041/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Gamisans, J. | 14338 | G | G | 161042/1 | no |
| Sonchus asper glaucescens (Jord.) Ball | Unknown or unspecified country | Burnat, E., J. Burnat, F. Cavillier & E. Abrezol | 4363 | G | G-BU | 161036/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Saint-Yves, A. | s.n. | G | G-BU | 161034/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Aellen, P. | 1283 | G | G | 160941/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Aellen, P. | 4027 | G | G | 160942/1 | no |
| Sonchus asper glaucescens (Jord.) Ball | Unknown or unspecified country | Aellen, P. | 4022 | G | G | 160945/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Aellen, P. | 1176 | G | G | 160946/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Aellen, P. | 4021 | G | G | 160944/1 | no |
| Sonchus asper glaucescens (Jord.) Ball | Unknown or unspecified country | Gamisans, J. | 12412 | G | G | 160934/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Gamisans, J. | 13396 | G | G | 160933/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Corcelle, J. | s.n. | G | G | 160939/1 | no |
| Sonchus asper glaucescens (Jord.) Ball | Unknown or unspecified country | Gamisans, J. | 15150 | G | G | 160936/1 | no |
| Sonchus asper glaucescens (Jord.) Ball | Unknown or unspecified country | Gamisans, J. | 12954 | G | G | 160937/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 160949/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Aellen, P. | 4025 | G | G | 160947/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Aellen, P. | 1168 | G | G | 160948/1 | no |
| Sonchus asper glaucescens (Jord.) Ball | Unknown or unspecified country | Lambinon, J. | 85/76 | G | G | 160950/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Gamisans, J. | 10285 | G | G | 161053/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Gamisans, J. | 11958 | G | G | 161048/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Gamisans, J. | 8436 | G | G | 161049/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Brugère, J. | s.n. | G | G-BU | 161046/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Gamisans, J. | 12798 | G | G | 161051/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Gamisans, J. | 12274 | G | G | 161052/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Gamisans, J. | 15146 | G | G | 161050/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Aellen, P. | 4024b | G | G | 161081/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Marchioni, T. | s.n. | G | G | 161082/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Burnat, E., J. Briquet, A. Saint-Yves, F. Cavillier & E. Abrezol | s.n. | G | G | 161092/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Burnat, E., J. Briquet, A. Saint-Yves, F. Cavillier & E. Abrezol | s.n. | G | G | 161093/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Bocquet, G. | 56568 | G | G | 161085/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Aellen, P. | 4023 | G | G | 161088/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Marchioni, T. | s.n. | G | G | 161083/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Lambinon, J. | 80/690 | G | G | 161084/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Aellen, P. | 1756 | G | G | 161090/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Briquet, J., A. Saint-Yves & F. Cavillier | s.n. | G | G | 161091/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Aellen, P. | 1870 | G | G | 161089/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Aellen, P. | 4025b | G | G | 161118/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Briquet, J., A. Saint-Yves & F. Cavillier | s.n. | G | G-BU | 161105/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Briquet, J., A. Saint-Yves & F. Cavillier | s.n. | G | G-BU | 161107/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Aellen, P. | 2327 | G | G | 158825/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Nicolier, E. | s.n. | G | G | 158884/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Schlüssel, A. & G. Barriera | S518 | G | G | 156885/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Schlüssel, A. & P.-E. Du Pasquier | S436 | G | G | 156824/1 | no |
| Sonchus brachyotus DC. | Russian Federation | Turczaninow, P. K. N. S. | s.n. | G | G | 241181/1 | no |
| Sonchus rivularis Phil. | Chile | Philippi, R. A. | s.n. | G | G | 241178/2 | no |
| Sonchus rivularis Phil. | Chile | Philippi, R. A. | s.n. | G | G | 241178/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Schlüssel, A. & G. Barriera | S853 | G | G | 232627/42 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Schlüssel, A. & G. Barriera | S852 | G | G | 232626/41 | no |
| Sonchus asper (L.) Hill | Costa Rica | | 27392 | MO | Tropicos | 101008308 | yes |
| Sonchus oleraceus L. | Mexico | | 13555 | MO | Tropicos | 101016154 | no |
| Sonchus oleraceus L. | Mexico | | 13878 | MO | Tropicos | 101016160 | no |
| Sonchus asper (L.) Hill | Mexico | | 13873 | MO | Tropicos | 101016158 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Jeanmonod, D., R. Palese & D. Roguet | J3830 | G | G | 14540/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J4825 | G | G | 14011/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J4869 | G | G | 14041/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J4881 | G | G | 14047/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J2407 | G | G | 14071/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J4728 | G | G | 13950/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Jeanmonod, D. & C. Zellweger | J3703 | G | G | 13797/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J4589 | G | G | 13859/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J4647 | G | G | 13902/1 | no |
| Sonchus oleraceus L. | Madagascar | Nusbaumer, L. P. G. & P. Ranirison | 2461 | MO | Tropicos | 100977879 | no |
| Sonchus bupleurifolius Boiss. | Turkey | Kotschy, K. G. T. | 634 | G | G-BOIS | 174851/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 172361/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Thiébaud, M.-A. & D. Jeanmonod | T05824 | G | G | 1727/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 219618/2 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Schlüssel, A. & I. Chapalay | S762 | G | G | 219621/2 | no |
| Sonchus oleraceus L. | Madagascar | | 189 | MO | Tropicos | 101003172 | no |
| Sonchus arvensis L. | Costa Rica | | 27363 | MO | Tropicos | 101004700 | no |
| Sonchus L. | Costa Rica | | 27372 | MO | Tropicos | 101004743 | no |
| Sonchus L. | Costa Rica | | 27379 | MO | Tropicos | 101004822 | no |
| Sonchus asper (L.) Hill | Costa Rica | | 27388 | MO | Tropicos | 101004963 | no |
| Sonchus asper (L.) Hill | United States | | 27391 | MO | Tropicos | 101005427 | no |
| Sonchus oleraceus L. | United States | | 27390 | MO | Tropicos | 101005426 | no |
| Sonchus arvensis L. | United States | | 27389 | MO | Tropicos | 101005424 | no |
| Sonchus asper (L.) Hill | United States | | 3239 | MO | Tropicos | 101002578 | no |
| Sonchus asper (L.) Hill | United States | | 2968 | MO | Tropicos | 101002579 | no |
| Sonchus oleraceus L. | United States | | s.n. | MO | Tropicos | 101002615 | no |
| Sonchus asper (L.) Hill | United States | | 2913 | MO | Tropicos | 101002600 | no |
| Sonchus oleraceus L. | United States | | 150 | MO | Tropicos | 101002624 | no |
| Sonchus oleraceus L. | United States | | 2648 | MO | Tropicos | 101002623 | no |
| Sonchus oleraceus L. | United States | | s.n. | MO | Tropicos | 101002622 | no |
| Sonchus oleraceus L. | United States | | s.n. | MO | Tropicos | 101002621 | no |
| Sonchus oleraceus L. | United States | | s.n. | MO | Tropicos | 101002620 | no |
| Sonchus oleraceus L. | United States | | s.n. | MO | Tropicos | 101002619 | no |
| Sonchus oleraceus L. | United States | | s.n. | MO | Tropicos | 101002618 | no |
| Sonchus oleraceus L. | United States | | s.n. | MO | Tropicos | 101002617 | no |
| Sonchus oleraceus L. | United States | | 1010 | MO | Tropicos | 101002626 | no |
| Sonchus oleraceus L. | United States | | 580 | MO | Tropicos | 101002625 | no |
| Sonchus asper (L.) Hill | United States | | s.n. | MO | Tropicos | 101002642 | no |
| Sonchus asper (L.) Hill | United States | | 3041 | MO | Tropicos | 101002637 | no |
| Sonchus asper (L.) Hill | United States | | 1340 | MO | Tropicos | 101002650 | no |
| Sonchus asper (L.) Hill | United States | | s.n. | MO | Tropicos | 101002646 | no |
| Sonchus asper (L.) Hill | United States | | s.n. | MO | Tropicos | 101002658 | no |
| Sonchus asper (L.) Hill | United States | | s.n. | MO | Tropicos | 101002656 | no |
| Sonchus asper (L.) Hill | United States | | s.n. | MO | Tropicos | 101002662 | no |
| Sonchus asper (L.) Hill | United States | | 670 | MO | Tropicos | 101002673 | no |
| Sonchus asper (L.) Hill | United States | | 2897 | MO | Tropicos | 101002671 | no |
| Sonchus asper (L.) Hill | United States | | 1222 | MO | Tropicos | 101002669 | no |
| Sonchus asper (L.) Hill | United States | | 1545 | MO | Tropicos | 101002667 | no |
| Sonchus asper (L.) Hill | United States | | 2870 | MO | Tropicos | 101002676 | no |
| Sonchus asper (L.) Hill | United States | | 109 | MO | Tropicos | 101002687 | no |
| Sonchus asper (L.) Hill | United States | | 726 | MO | Tropicos | 101002684 | no |
| Sonchus asper (L.) Hill | United States | | 1046 | MO | Tropicos | 101002715 | no |
| Sonchus asper (L.) Hill | United States | | 11 | MO | Tropicos | 101002710 | no |
| Sonchus asper (L.) Hill | United States | | 650 | MO | Tropicos | 101002722 | no |
| Sonchus sp. L. | Unknown or unspecified country | Jeanmonod, D. & A. Schlüssel | J7186 | G | G | 136006/1 | no |
| Sonchus asper Hill | Paraguay | Spichiger, R., L. Ramella, F. Mereles, N. Soria & L. Spinzi | 2106 | G | G | 136/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D., D. Roguet, A. Natali & C. Zellweger | J3373 | G | G | 13607/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Jeanmonod, D. & A. Schlüssel | J7035 | G | G | 132673/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J2352 | G | G | 13082/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J2451 | G | G | 13147/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J2500 | G | G | 13191/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Schlüssel, A. & I. Chapalay | S599 | G | G | 206441/1 | no |
| Sonchus oleraceus L. | El Salvador | | 3673 | MO | Tropicos | 100894291 | no |
| Sonchus rarifolius Oliv. & Hiern | Ghana | | A3079 | MO | Tropicos | 100945247 | no |
| Sonchus rarifolius Oliv. & Hiern | Ghana | | 3247 | MO | Tropicos | 100945246 | no |
| Sonchus asper (L.) Hill | United States | G. Yatskievych, K. Yatskievych | 16-041 | MO | Tropicos | 100972607 | no |
| Sonchus oleraceus L. | Mexico | | MSG552 | MO | Tropicos | 100972132 | no |
| Sonchus asper (L.) Hill | Unknown or unspecified country | | VI: 14 | MO | Tropicos | 101029719 | no |
| Sonchus asper Hill | France | Spichiger, R. | 14259 | G | G | 104943/1 | no |
| Sonchus tenerrimus L. | France | Spichiger, R. | 14258 | G | G | 104942/1 | no |
| Sonchus oleraceus L. | Switzerland | Spichiger, R. | 947 | G | G | 104205/1 | no |
| Sonchus asper Hill | Switzerland | Spichiger, R. | 689 | G | G | 104409/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Schlüssel, A., D. Jeanmonod, I. Chapalay, R. Braito & M. Staehli | S539 | G | G | 184882/1 | no |
| Sonchus oleraceus L. | United States | | 1926 | MO | Tropicos | 100872882 | no |
| Sonchus asper (L.) Hill | United States | | 1935 | MO | Tropicos | 100872899 | no |
| Sonchus oleraceus L. | Mexico | | 4368 | MO | Tropicos | 100965363 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Thiébaud, M.-A. & D. Jeanmonod | T05864 | G | G | 1807/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Dittrich, M. & R. Dittrich | 4400 | G | G | 17860/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Dittrich, M. & R. Dittrich | 4329 | G | G | 17753/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 177882/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 177883/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 177888/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 184395/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 176585/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 176607/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 176608/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 176609/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 177083/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 177082/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 177081/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 177076/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 177075/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Deschâtres, R. | s.n. | G | G | 177068/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Jeanmonod, D. & M.-A. Thiébaud | J5208 | G | G | 1763/1 | no |
| Sonchus oleraceus L. | United States | | 2312 | MO | Tropicos | 100882433 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J1794 | G | G | 12562/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Jeanmonod, D. & D. Roguet | J1440 | G | G | 12218/1 | no |
| Sonchus oleraceus L. | Paraguay | Ramella, L. | 639 | G | G | 19401/1 | no |
| Sonchus oleraceus L. | Paraguay | Ramella, L. | 686 | G | G | 19488/1 | no |
| Sonchus oleraceus L. | Chile | Gaudichaud-Beaupré, C. | 134 | G | G-DC | 353266/1 | no |
| Sonchus oleraceus L. | Mauritius | Bojer, W. | s.n. | G | G-DC | 353265/1 | no |
| Sonchus ciliatus Lam. | Argentina | Bacle, C. H. | 1 | G | G-DC | 353268/1 | no |
| Sonchus oleraceus L. | Puerto Rico | Wydler, H. | 114 bis | G | G-DC | 353267/1 | no |
| Sonchus ciliatus Lam. | France | Delaroche, D. | s.n. | G | G-DC | 353264/1 | no |
| Sonchus ciliatus Lam. | Greece | Zuccarini, J. G. | 54 | G | G-DC | 353283/1 | no |
| Sonchus ciliatus Lam. | Greece | Margot, H. | 322 | G | G-DC | 353280/1 | no |
| Sonchus ciliatus Lam. | France | Prost, T.C. | s.n. | G | G-DC | 353287/1 | no |
| Sonchus ciliatus Lam. | Greece | Margot, H. | 106 | G | G-DC | 353278/1 | no |
| Sonchus ciliatus Lam. | United States | Tainturier, L. F. | s.n. | G | G-DC | 353277/1 | no |
| Sonchus ciliatus Lam. | Greece | Margot, H. | 144 | G | G-DC | 353279/1 | no |
| Sonchus ciliatus Lam. | Italy | Gussone, G. | s.n. | G | G-DC | 353273/1 | no |
| Sonchus ciliatus Lam. | China | Staunton, G. L. | s.n. | G | G-DC | 353272/1 | no |
| Sonchus ciliatus Lam. | Brazil | Gaudichaud-Beaupré, C. | 636 | G | G-DC | 353276/1 | no |
| Sonchus ciliatus Lam. | India | Wallich, N. | 362 B | G | G-DC | 353271/1 | no |
| Sonchus dregeanus DC. | South Africa | Drège, J. F. | 6177 | G | G-DC | 353225/1 | no |
| Sonchus ecklonianus DC. | South Africa | Ecklon, C. F. | 390 | G | G-DC | 353228/1 | no |
| Sonchus ecklonianus DC. | South Africa | Ecklon, C. F. | 312 | G | G-DC | 353227/1 | no |
| Sonchus dregeanus DC. | South Africa | Drège, J. F. | 6177 | G | G-DC | 353224/1 | no |
| Sonchus oleraceus L. | South Africa | Drège, J. F. | 6178 | G | G-DC | 353245/1 | no |
| Sonchus oleraceus L. | South Africa | Drège, J. F. | 24 | G | G-DC | 353244/1 | no |
| Sonchus oleraceus L. | South Africa | Drège, J. F. | 24 | G | G-DC | 353402/1 | no |
| Sonchus fallax Wallr. | Chile | Poeppig, E. | 302 | G | G-DC | 353397/1 | no |
| Sonchus asper Hill | Chile | Poeppig, E. | 302 | G | G-DC | 353396/1 | no |
| Sonchus fallax Wallr. | Russian Federation | Turczaninow, P. K. N. S. | s.n. | G | G-DC | 353399/1 | no |
| Sonchus asper Hill | Mauritius | Bojer, W. | s.n. | G | G-DC | 353398/1 | no |
| Sonchus fallax Wallr. | France | Candolle, A. L. de | s.n. | G | G-DC | 353391/1 | no |
| Sonchus fallax Wallr. | Brazil | Lund, P. W. | s.n. | G | G-DC | 353393/1 | no |
| Sonchus fallax Wallr. | France | Delaroche, F. | s.n. | G | G-DC | 353388/1 | no |
| Sonchus fallax Wallr. | Greece | Zuccarini, J. G. | 53 | G | G-DC | 353387/1 | no |
| Sonchus fallax Wallr. | France | Delaroche, D. | s.n. | G | G-DC | 353389/1 | no |
| Sonchus carolinianus Walter | United States | Tainturier, L. F. | s.n. | G | G-DC | 353415/1 | no |
| Sonchus asper Hill | Mauritius | Bouton, L. | s.n. | G | G-DC | 353413/1 | no |
| Sonchus asper Hill | United States | Elliott, S. | s.n. | G | G-DC | 353418/1 | no |
| Sonchus oleraceus L. | Indonesia | Blume, C. L. | s.n. | G | G-DC | 353411/1 | no |
| Sonchus oleraceus L. | South Africa | Drège, J. F. | 736 | G | G-DC | 353438/1 | no |
| Sonchus oleraceus L. | South Africa | Ecklon, C. F. | 2580 | G | G-DC | 353437/1 | no |
| Sonchus wallichianus DC. | Nepal | Wallich, N. | 361 A | G | G-DC | 353429/1 | no |
| Sonchus wallichianus DC. | Nepal | Wallich, N. | 361 B | G | G-DC | 353433/1 | no |
| Sonchus brachyotus DC. | India | Buchanan-Hamilton, F. | 362 A | G | G-DC | 353432/1 | no |
| Sonchus wightianus wallichianus (DC.) Boulos | Nepal | Wallich, N. | 361 B | G | G-DC | 353426/1 | no |
| Sonchus wallichianus DC. | India | Wallich, N. | 361 C | G | G-DC | 353425/1 | no |
| Sonchus wallichianus DC. | Nepal | Wallich, N. | 361 A | G | G-DC | 353427/1 | no |
| Sonchus tenerrimus L. | France | Thomas, P. | s.n. | G | G-DC | 353464/1 | no |
| Sonchus tenerrimus L. | Spain | Anon. | s.n. | G | G-DC | 353461/1 | no |
| Sonchus tenerrimus L. | France | Thomas, P. | s.n. | G | G-DC | 353465/1 | no |
| Sonchus tenerrimus L. | Spain | Picard, C. | 78 | G | G-DC | 353458/1 | no |
| Sonchus tenerrimus L. | Italy | Gussone, G. | s.n. | G | G-DC | 353457/1 | no |
| Sonchus tenerrimus L. | Spain | Anon. | s.n. | G | G-DC | 353460/1 | no |
| Sonchus tenerrimus L. | Greece | Zuccarini, J. G. | 55 | G | G-DC | 353459/1 | no |
| Sonchus tenerrimus L. | France | Mauricheau-Beaupré, P.-J. | s.n. | G | G-DC | 353450/1 | no |
| Sonchus fallax Wallr. | Italy | Gussone, G. | s.n. | G | G-DC | 353386/1 | no |
| Sonchus fallax Wallr. | France | Anon. | s.n. | G | G-DC | 353385/1 | no |
| Sonchus fallax Wallr. | India | Buchanan-Hamilton, F. | 362 B | G | G-DC | 353379/1 | no |
| Sonchus fallax Wallr. | India | Wallich, N. | 362 F | G | G-DC | 353377/1 | no |
| Sonchus fallax Wallr. | South Africa | Drège, J. F. | 731 | G | G-DC | 353372/1 | no |
| Sonchus fallax Wallr. | South Africa | Drège, J. F. | s.n. | G | G-DC | 353371/1 | no |
| Sonchus asper Hill | Nepal | Wallich, N. | 358 | G | G-DC | 353373/1 | no |
| Sonchus fallax Wallr. | South Africa | Drège, J. F. | 3781 | G | G-DC | 353370/1 | no |
| Sonchus palustris L. | Iran, Islamic Republic of | Szovits, J. N. | s.n. | G | G-DC | 353603/1 | no |
| Sonchus palustris L. | Armenia | Aucher-Eloy, P. M. R. | 3842 | G | G-DC | 353593/1 | no |
| Sonchus sp. L. | India | Wallich, N. | 864 | G | G-DC | 353607/1 | no |
| Sonchus arvensis L. | France | Delaroche | s.n. | G | G-DC | 353585/1 | no |
| Sonchus arvensis L. | France | Fleurot, P. | s.n. | G | G-DC | 353587/1 | no |
| Sonchus arvensis L. | France | Anon. | s.n. | G | G-DC | 353574/1 | no |
| Sonchus arvensis L. | France | Anon. | s.n. | G | G-DC | 353581/1 | no |
| Sonchus brachyotus DC. | Nepal | Wallich, N. | s.n. | G | G-DC | 353609/1 | no |
| Sonchus tenerrimus L. | Turkey | Acerbi, G. | s.n. | G | G-DC | 353490/1 | no |
| Sonchus pectinatus DC. | France | Candolle, A. P. de | s.n. | G | G-DC | 353493/1 | no |
| Sonchus tenerrimus L. | France | Thomas, P. | s.n. | G | G-DC | 353469/1 | no |
| Sonchus tenerrimus L. | France | Thomas, P. | s.n. | G | G-DC | 353468/1 | no |
| Sonchus tenerrimus L. | France | Anon. | s.n. | G | G-DC | 353474/1 | no |
| Sonchus tenerrimus L. | France | Delaroche | s.n. | G | G-DC | 353470/1 | no |
| Sonchus brachyotus DC. | India | Wight, R. | 2/14 | G | G-DC | 353505/1 | no |
| Sonchus uliginosus M. Bieb. | Russian Federation | Steven, C. | s.n. | G | G-DC | 353499/1 | no |
| Sonchus brachyotus DC. | Russian Federation | Scukin, N. | s.n. | G | G-DC | 353500/1 | no |
| Sonchus maritimus L. | Spain | Anon. | s.n. | G | G-DC | 353548/1 | no |
| Sonchus maritimus L. | France | Candolle, A. P. de | s.n. | G | G-DC | 353546/1 | no |
| Sonchus maritimus L. | France | Anon. | s.n. | G | G-DC | 353550/1 | no |
| Sonchus maritimus L. | France | Maille, A. | s.n. | G | G-DC | 353545/1 | no |
| Sonchus maritimus L. | Spain | Delaroche, F. | s.n. | G | G-DC | 353534/1 | no |
| Sonchus maritimus L. | Spain | Boissier, P. E. | s.n. | G | G-DC | 353536/1 | no |
| Sonchus maritimus L. | France | Candolle, A. L. de | s.n. | G | G-DC | 353533/1 | no |
| Sonchus maritimus L. | Italy | Gussone, G. | s.n. | G | G-DC | 353564/1 | no |
| Sonchus maritimus L. | France | Anon. | s.n. | G | G-DC | 353563/1 | no |
| Sonchus maritimus L. | France | Coder, J. | 99 | G | G-DC | 353559/1 | no |
| Sonchus maritimus L. | France | Coder, J. | 95 | G | G-DC | 353558/1 | no |
| Sonchus maritimus L. | France | Anon. | s.n. | G | G-DC | 353561/1 | no |
| Sonchus maritimus L. | Italy | Schouw, J. F. | s.n. | G | G-DC | 353560/1 | no |
| Sonchus maritimus L. | France | Candolle, A. P. de | s.n. | G | G-DC | 353557/1 | no |
| Sonchus maritimus L. | France | Bouchet, D. | s.n. | G | G-DC | 353555/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. | J5537 | G | G | 44911/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. | J5621 | G | G | 45005/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. | J5639 | G | G | 45023/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Jeanmonod, D. | J5635 | G | G | 45019/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. | J5636 | G | G | 45020/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Thiébaud, M.-A. | T02012 | G | G | 4584/1 | no |
| Sonchus pitardii Boulos | Spain | Boulos, L. | s.n. | G | G | 93816/1 | no |
| Sonchus lidii Boulos | Spain | Bornmüller, J. F. N. | 2538 | G | G | 93827/1 | no |
| Sonchus gomerensis Boulos | Spain | Boulos, L. | s.n. | G | G | 93829/1 | no |
| Sonchus brachylobus canariae (Pit.) Boulos | Spain | Pitard, C. J. | s.n. | G | G | 93866/1 | no |
| Sonchus bornmuelleri Pit. | Spain | Pitard, C. J. | s.n. | G | G | 93867/1 | no |
| Sonchus brachylobus spathulatus G. Kunkel | Spain | Kunkel, G. | 14664 | G | G | 93864/1 | no |
| Sonchus bourgeaui Sch. Bip. | Spain | Bourgeau, E. | 558 | G | G | 93865/1 | no |
| Sonchus gandogeri Pit. | Spain | Pitard, C. J. | s.n. | G | G | 93863/1 | no |
| Sonchus wildpretii U. Reifenb. & A. Reifenb. | Spain | Reifenberger, U. & A. Reifenberger | s.n. | G | G | 93722/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & A. Schlüssel | J6815 | G | G | 94921/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & A. Schlüssel | J6841 | G | G | 94964/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D. & A. Schlüssel | J6951 | G | G | 95280/1 | no |
| Sonchus hierrensis (Pit.) Boulos | Spain | Pitard, C. J. | 603 | G | G | 95437/1 | no |
| Sonchus hierrensis (Pit.) Boulos | Spain | Pitard, C. J. | 603 | G | G | 95437/2 | no |
| Sonchus brachylobus canariae (Pit.) Boulos | Spain | Kunkel, G. | 11018 | G | G | 95569/1 | no |
| Sonchus jacquinii DC. | Spain | Broussonet, P. A. M. | s.n. | G | G-DC | 348045/1 | no |
| Sonchus acidus Willd. | Morocco | Broussonet, P. A. M. | s.n. | G | G-DC | 348059/1 | no |
| Sonchus radicatus Aiton | Spain | Anon. | s.n. | G | G-DC | 348061/1 | no |
| Sonchus pinnatus Aiton | Portugal | Lowe, R. T. | 390 | G | G-DC | 348055/1 | no |
| Sonchus pinnatus Aiton | Portugal | Anon. | s.n. | G | G-DC | 348057/1 | no |
| Sonchus pinnatus Aiton | Portugal | Candolle, A. L. de | s.n. | G | G-DC | 348056/1 | no |
| Sonchus jacquinii congestus (Willd.) DC. | Spain | Anon. | s.n. | G | G-DC | 348049/1 | no |
| Sonchus jacquinii DC. | Spain | Anon. | s.n. | G | G-DC | 348048/1 | no |
| Sonchus squarrosus DC. | Portugal | Anon. | s.n. | G | G-DC | 348029/1 | no |
| Sonchus squarrosus DC. | Portugal | Anon. | s.n. | G | G-DC | 348026/1 | no |
| Sonchus squarrosus DC. | Portugal | Lowe, R. T. | 371 | G | G-DC | 348025/1 | no |
| Sonchus squarrosus DC. | Portugal | Anon. | s.n. | G | G-DC | 348028/1 | no |
| Sonchus squarrosus DC. | Portugal | Delaroche, F. | s.n. | G | G-DC | 348027/1 | no |
| Sonchus ustulatus angustifolius Lowe | Portugal | Lowe, R. T. | 197 | G | G-DC | 348320/1 | no |
| Sonchus ustulatus latifolius Lowe | Portugal | Lowe, R. T. | 197 | G | G-DC | 348321/1 | no |
| Sonchus gummifer Link | Spain | Smith, C. | s.n. | G | G-DC | 348317/1 | no |
| Sonchus arboreus (Willd.) DC. | Spain | Broussonet, P. A. M. | s.n. | G | G-DC | 348347/1 | no |
| Sonchus arboreus (Willd.) DC. | Spain | Broussonet, P. A. M. | s.n. | G | G-DC | 348335/1 | no |
| Sonchus leptocephalus Cass. | Spain | Anon. | s.n. | G | G-DC | 348368/1 | no |
| Sonchus spinosus (Forssk.) DC. | Puerto Rico | Anon. | s.n. | G | G-DC | 348548/1 | no |
| Sonchus spinosus (Forssk.) DC. | Spain | Broussonet, P. A. M. | s.n. | G | G-DC | 348547/1 | no |
| Sonchus spinosus (Forssk.) DC. | Egypt | Acerbi, G. | s.n. | G | G-DC | 348549/1 | no |
| Sonchus spinosus (Forssk.) DC. | Egypt | Bové, N. | 100 | G | G-DC | 348544/1 | no |
| Sonchus leptocephalus Cass. | Spain | Broussonet, P. A. M. | s.n. | G | G-DC | 348543/1 | no |
| Sonchus spinosus (Forssk.) DC. | Spain | Anon. | s.n. | G | G-DC | 348546/1 | no |
| Sonchus spinosus (Forssk.) DC. | Spain | Broussonet, P. A. M. | s.n. | G | G-DC | 348545/1 | no |
| Sonchus leptocephalus Cass. | Spain | Anon. | s.n. | G | G-DC | 348540/1 | no |
| Sonchus leptocephalus Cass. | Spain | Gaudichaud-Beaupré, C. | s.n. | G | G-DC | 348539/1 | no |
| Sonchus leptocephalus Cass. | Spain | Smith, C. | s.n. | G | G-DC | 348542/1 | no |
| Sonchus leptocephalus Cass. | Spain | Anon. | s.n. | G | G-DC | 348541/1 | no |
| Sonchus leptocephalus Cass. | Spain | Broussonet, P. A. M. | s.n. | G | G-DC | 348536/1 | no |
| Sonchus leptocephalus Cass. | Spain | Chamisso, L. A. | s.n. | G | G-DC | 348538/1 | no |
| Sonchus leptocephalus Cass. | Spain | Anon. | s.n. | G | G-DC | 348537/1 | no |
| Sonchus sp. L. | Nepal | Wallich, N. | s.n. | G | G-DC | 348565/1 | no |
| Sonchus sp. L. | France | Hornemann, J. W. | s.n. | G | G-DC | 348570/1 | no |
| Sonchus sp. L. | Mexico | Berlandier, J. L. | 120 | G | G-DC | 348561/1 | no |
| Sonchus sp. L. | New Zealand | d'Urville, J. S. C. | s.n. | G | G-DC | 348560/1 | no |
| Sonchus sp. L. | Syrian Arab Republic | Olivier, G. A. | s.n. | G | G-DC | 348564/1 | no |
| Sonchus sp. L. | Bolivia, Plurinational State of | Pentland, J.B. | s.n. | G | G-DC | 348562/1 | no |
| Sonchus sp. L. | Iran, Islamic Republic of | Aucher-Eloy, P. M. R. | 3565 | G | G-DC | 348556/1 | no |
| Sonchus spinosus (Forssk.) DC. | Spain | Lagasca y Segura, M. | s.n. | G | G-DC | 348555/1 | no |
| Sonchus sp. L. | Mexico | Berlandier, J. L. | 439 | G | G-DC | 348558/1 | no |
| Sonchus spinosus (Forssk.) DC. | Spain | Boissier, P. E. | s.n. | G | G-DC | 348552/1 | no |
| Sonchus spinosus (Forssk.) DC. | Egypt | Schimper, G. W. | 387 | G | G-DC | 348550/1 | no |
| Sonchus spinosus (Forssk.) DC. | Iran, Islamic Republic of | Aucher-Eloy, P. M. R. | 3455 | G | G-DC | 348554/1 | no |
| Sonchus spinosus (Forssk.) DC. | Egypt | Aucher-Eloy, P. M. R. | 3352 | G | G-DC | 348553/1 | no |
| Sonchus sp. L. | Senegal | Perrottet, G. S. | 21 | G | G-DC | 348575/1 | no |
| Sonchus sp. L. | Guadeloupe | Anon. | 197 | G | G-DC | 348573/1 | no |
| Sonchus sp. L. | Senegal | Perrottet, G. S. | s.n. | G | G-DC | 348577/1 | no |
| Sonchus sp. L. | Nepal | Wallich, N. | s.n. | G | G-DC | 348576/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Aellen, P. | 1248 | G | G | 38631/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Thiébaud, M.-A. | T02817 | G | G | 6229/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Thiébaud, M.-A. | T02765 | G | G | 6179/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Thiébaud, M.-A. | T03270 | G | G | 7089/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Jeanmonod, D., A. Schlüssel & M.-A. Thiébaud | J6575 | G | G | 71868/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D., A. Schlüssel, M.-A. Thiébaud & J. Gamisans | J6595 | G | G | 71888/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Jeanmonod, D., A. Schlüssel & M.-A. Thiébaud | J6616 | G | G | 71909/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D., A. Schlüssel & M.-A. Thiébaud | J6641 | G | G | 71934/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Thiébaud, M.-A. | T02200 | G | G | 5547/1 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | Jeanmonod, D., A. Schlüssel & C. Habashi | J6458 | G | G | 68871/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Jeanmonod, D., A. Schlüssel & C. Habashi | J6449 | G | G | 69117/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Jeanmonod, D., A. Schlüssel & C. Habashi | J6355 | G | G | 69116/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Jeanmonod, D., A. Schlüssel & C. Habashi | J6356 | G | G | 69118/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Jeanmonod, D., A. Schlüssel & C. Habashi | J6306 | G | G | 69115/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 67822/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 67821/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 67824/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 67823/1 | no |
| Sonchus asper glaucescens (Jord.) Ball | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 67818/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Aylies, J. | s.n. | G | G | 67820/1 | no |
| Sonchus asper Hill subsp. asper | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 67819/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 69823/1 | no |
| Sonchus asper glaucescens (Jord.) Ball | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 69820/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 69822/1 | no |
| Sonchus maritimus L. subsp. maritimus | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 69821/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Litardière, R. V. | s.n. | G | G | 70077/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Thiébaud, M.-A. & D. Roguet | T03714 | G | G | 7732/1 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Thiébaud, M.-A. & D. Roguet | T03704b | G | G | 7721/1 | no |
| Sonchus oleraceus L. | Brazil | Cleber Alves Duarte | s.n. | RB | RB | RB00630190 | no |
| Sonchus wightianus wallichianus (DC.) Boulos | Nepal | Iokawa, Y.; Subedi, M.N.; Takahashi, Y.; Kano, K. | 20020028 | E | N/A | E00223581 | no |
| Sonchus oleraceus (L.) L. | Saudi Arabia | Collenette, Iris Sheila (Mrs). | 5667 | E | N/A | E00483758 | yes |
| Sonchus oleraceus (L.) L. | Oman | Whitcombe, R. | 715 | E | N/A | E00483764 | yes |
| Sonchus suberosus Zohary & P.H.Davis | Jordan | Davis, Peter Hadland | 9362 | E | N/A | E00483731 | yes |
| Sonchus asper (L.) Hill | Turkey | Davis, P.H. | 43849 | E | N/A | E00483655 | yes |
| Sonchus radicatus Ait. | Unknown or unspecified country | | s.n. | E | N/A | E00485254 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00485155 | no |
| Sonchus oleraceus (L.) L. | New Zealand | Lindsay, Dr W.Lauder | s.n. | E | N/A | E00283681 | no |
| Sonchus oleraceus (L.) L. | New Zealand | Lindsay, Dr W.Lauder | s.n. | E | N/A | E00283682 | no |
| Sonchus oleraceus (L.) L. | New Zealand | Lindsay, Dr W.Lauder | s.n. | E | N/A | E00283680 | no |
| Sonchus erzincanicus Matthew | Turkey | Kandemir, A. | 10080 | E | N/A | E00286259 | yes |
| Sonchus gigas Boulos ex Humbert | Unknown or unspecified country | | s.n. | E | N/A | E00485565 | no |
| Sonchus asper (L.) Hill | Unknown or unspecified country | | s.n. | E | N/A | E00485633 | no |
| Sonchus wightianus wallichianus (DC.) Boulos | Unknown or unspecified country | | s.n. | E | N/A | E00485481 | no |
| Sonchus wightianus wallichianus (DC.) Boulos | Unknown or unspecified country | | s.n. | E | N/A | E00485472 | no |
| Sonchus wightianus wallichianus (DC.) Boulos | Unknown or unspecified country | | s.n. | E | N/A | E00485471 | no |
| Sonchus maritimus L. | Jordan | Gillett, J.B. | 15533 | E | N/A | E00483672 | yes |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485506 | no |
| Sonchus wightianus DC. | Nepal | Sukhorukov, Alexander | 503 | E | N/A | E00500240 | no |
| Sonchus wightianus DC. | Unknown or unspecified country | | s.n. | E | N/A | E00485405 | no |
| Sonchus | Unknown or unspecified country | | s.n. | E | N/A | E00485241 | no |
| Sonchus oleraceus (L.) L. | China | Gaoligong Shan Biotic Survey Expedition - Summer 2005 | 22732 | E | N/A | E00261048 | no |
| Sonchus | China | Gaoligong Shan Biotic Survey Expedition - Summer 2005 | 22941 | E | N/A | E00274722 | no |
| Sonchus oleraceus (L.) L. | Saint Helena, Ascension and Tristan da Cunha | Brown, L.C. | 431 | E | N/A | E00274078 | no |
| Sonchus | China | Gaoligong Shan Biotic Survey Expedition - Summer 2005 | 22736 | E | N/A | E00270983 | no |
| Sonchus wightianus DC. | China | Cavalerie, Pierre Julien | 3704 | E | N/A | E00265457 | yes |
| Sonchus wightianus DC. | China | Cavalerie, Pierre Julien | 3704 | E | N/A | E00265456 | yes |
| Sonchus brachyotus DC. | China | Cavalerie, Pierre Julien | 3308 | E | N/A | E00265454 | yes |
| Sonchus brachyotus DC. | China | Cavalerie, Pierre Julien | 3308 | E | N/A | E00265455 | yes |
| Sonchus brachyotus DC. | Korea, Republic of | Taquet, Emile Joseph (Pere) | 1045 | E | N/A | E00265453 | yes |
| Pterocypsela sonchus (H.Lév. & Vaniot) C.Shih | China | Cavalerie, Pierre Julien | 3706 | E | N/A | E00265467 | yes |
| Pterocypsela sonchus (H.Lév. & Vaniot) C.Shih | China | Cavalerie, Pierre Julien | 3706 | E | N/A | E00265466 | yes |
| Sonchus wightianus DC. | Unknown or unspecified country | | s.n. | E | N/A | E00485468 | no |
| Sonchus brachyotus DC. | Unknown or unspecified country | | s.n. | E | N/A | E00485274 | no |
| Sonchus wightianus DC. | Unknown or unspecified country | | s.n. | E | N/A | E00485429 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483506 | no |
| Sonchus wightianus DC. subsp. wightianus | Nepal | Flora of East Nepal | 9830226 | E | N/A | E00220681 | no |
| Sonchus lingianus C.Shih | China | Xiao, Bai-Zhong | 3392 | E | N/A | E00232354 | no |
| Sonchus oleraceus (L.) L. | China | Xiao, Bai-Zhong | 3362 | E | N/A | E00232352 | no |
| Sonchus | China | Gaoligong Shan Expedition (2000) | 12347 | E | N/A | E00238512 | no |
| Sonchus transcaspicus Nevski | China | Gaoligong Shan Biotic Survey Expedition - Summer 2005 | 23594 | E | N/A | E00261563 | no |
| Sonchus | China | Gaoligong Shan Biotic Survey Expedition - Summer 2005 | 22827 | E | N/A | E00263646 | no |
| Sonchus wightianus wallichianus (DC.) Boulos | Nepal | Botanical Expedition to Far West Nepal (1991) | 9160149 | E | N/A | E00231595 | no |
| Sonchus bourgeauii Sch.Bip. | Spain | Bourgeau, Eugène | 558 | E | N/A | E00239943 | yes |
| Sonchus obtusilobus R.E.Fr. | Ethiopia | Schimper, Georg Heinrich Wilhelm | 614 | E | N/A | E00239942 | yes |
| Sonchus wilmsii R.E.Fr. | South Africa | Wilms, Friedrich (Dr.) | 636 | E | N/A | E00239941 | yes |
| Sonchus bourgeauii Sch.Bip. | Spain | Burchard, Oscar (Dr) | 300 | E | N/A | E00239944 | yes |
| Sonchus wightianus DC. subsp. wightianus | Nepal | Botanical Expedition to Himalaya 1988 | 8881118 | E | N/A | E00228757 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483534 | no |
| Sonchus | Iran, Islamic Republic of | Davis, Peter. H. & Bokhari, Mumtaz H. | D.56589 | E | N/A | E00483750 | yes |
| Sonchus | Iran, Islamic Republic of | Davis, Peter. H. & Bokhari, Mumtaz H. | D55946 | E | N/A | E00483751 | yes |
| Sonchus oleraceus (L.) L. | Kuwait | Jalili, R. | 10980A | E | N/A | E00483784 | yes |
| Sonchus | Yemen | Miller, Anthony G. & King, Rosemary A. | 5256 | E | N/A | E00483785 | yes |
| Sonchus oleraceus (L.) L. | Saudi Arabia | Collenette, Iris Sheila (Mrs). | 3203 | E | N/A | E00483786 | yes |
| Sonchus | Oman | Rubens, T.G. | 75 | E | N/A | E00483787 | yes |
| Sonchus wightianus DC. subsp. wightianus | Unknown or unspecified country | | s.n. | E | N/A | E00485426 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483539 | no |
| Sonchus arvensis L. | Turkey | Davis, Peter Hadland & Polunin, Oleg Vladimir | 24515 | E | N/A | E00483628 | yes |
| Sonchus arvensis L. | Turkey | Davis, Peter Hadland | 47489 | E | N/A | E00483629 | yes |
| Sonchus arvensis L. | Armenia | Nazarova, E.A. | s.n. | E | N/A | E00483630 | yes |
| Sonchus arvensis L. | Turkey | Davis, Peter Hadland & Polunin, Oleg Vladimir | 24,515 | E | N/A | E00483631 | yes |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00522561 | yes |
| Sonchus hydrophilus Boulos | Unknown or unspecified country | | s.n. | E | N/A | E00485499 | no |
| Sonchus megalocarpus (Hook.f.) J.M.Black | Unknown or unspecified country | | s.n. | E | N/A | E00485500 | no |
| Sonchus megalocarpus (Hook.f.) J.M.Black | Unknown or unspecified country | | s.n. | E | N/A | E00485501 | no |
| Sonchus grandifolius Kirk | Unknown or unspecified country | | s.n. | E | N/A | E00485514 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483603 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483602 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483601 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483600 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483599 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483598 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483597 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483596 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483627 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483626 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483625 | no |
| Sonchus asper (L.) Hill | Turkey | Baytop, Asuman; Baytop, Turhan | 12526 | E | N/A | E00483643 | yes |
| Sonchus asper (L.) Hill | Turkey | Uotila, Pertti | 19569 | E | N/A | E00483642 | yes |
| Sonchus asper (L.) Hill | Turkey | Akman, Y & Quezel | 6190 | E | N/A | E00483641 | yes |
| Sonchus asper (L.) Hill | Turkey | | 347 | E | N/A | E00483640 | yes |
| Sonchus asper (L.) Hill | Turkey | Kayacik, H. & Yaltirik, F. | 3463 | E | N/A | E00483639 | yes |
| Sonchus asper (L.) Hill | Turkey | Ekim, T. | 15 | E | N/A | E00483638 | yes |
| Sonchus asper (L.) Hill | Afghanistan | Wendelbo, Per; Hedge, I. & Ekberg, L. | W8260A | E | N/A | E00483637 | yes |
| Sonchus asper (L.) Hill | Iraq | Wheeler Haines, R. | s.n. | E | N/A | E00483636 | yes |
| Sonchus asper (L.) Hill | Turkey | Baytop, Asuman | 17905 | E | N/A | E00483635 | yes |
| Sonchus arvensis L. | Armenia | Calvert, H.H. & Zohrab, J. | s.n. | E | N/A | E00483632 | yes |
| Sonchus asper (L.) Hill | Turkey | Helbaek | 2517 | E | N/A | E00483651 | yes |
| Sonchus asper (L.) Hill | Iraq | Haines, R. Wheeler | s.n. | E | N/A | E00483650 | yes |
| Sonchus asper (L.) Hill | Afghanistan | Hedge, Ian C. & Wendelbo, Per | W 3235 | E | N/A | E00483649 | yes |
| Sonchus asper (L.) Hill | Iraq | Haines, R. Wheeler | s.n. | E | N/A | E00483648 | yes |
| Sonchus asper (L.) Hill | Afghanistan | Hedge, Ian C. & Wendelbo, Per | W4049 | E | N/A | E00483647 | yes |
| Sonchus asper (L.) Hill | Iran, Islamic Republic of | Ayazi, F.B. | 5822 | E | N/A | E00483646 | yes |
| Sonchus asper (L.) Hill | Afghanistan | Hedge, Ian C. & Wendelbo, Per | W9305 | E | N/A | E00483645 | yes |
| Sonchus asper (L.) Hill | Greece | Edmondson, John R. & McClintock, Mary A.S. | 2372 | E | N/A | E00483644 | yes |
| Sonchus asper (L.) Hill | Turkey | Baytop, Asuman; Baytop, Turhan | 21831 | E | N/A | E00483634 | yes |
| Sonchus asper (L.) Hill | Turkey | Baytop, A. | 19.588 | E | N/A | E00483633 | yes |
| Sonchus maritimus L. | Iran, Islamic Republic of | Grey-Wilson, Christopher & Hewer, T.F. | 167 | E | N/A | E00483666 | yes |
| Sonchus maritimus L. | Iran, Islamic Republic of | Grey-Wilson, C. & Hewer, T.F. | 62 | E | N/A | E00483667 | yes |
| Sonchus maritimus L. | Jordan | Boulos, Loutfy | 5818 | E | N/A | E00483668 | yes |
| Sonchus maritimus L. | Afghanistan | Podlech, D. | 12874 | E | N/A | E00483669 | yes |
| Sonchus maritimus L. | Afghanistan | Hedge, Ian C. & Wendelbo, Per | W3802 | E | N/A | E00483673 | yes |
| Sonchus maritimus L. | Iraq | Wheeler Haines, R. | s.n. | E | N/A | E00483674 | yes |
| Sonchus maritimus L. | Iraq | Haines, R. Wheeler | s.n. | E | N/A | E00483675 | yes |
| Sonchus maritimus L. | Iraq | Wheeler Haines, R. | s.n. | E | N/A | E00483676 | yes |
| Sonchus maritimus L. | Unknown or unspecified country | Lace, J.H. | s.n. | E | N/A | E00483677 | yes |
| Sonchus maritimus L. | Jordan | Dinsmore, John Edward | 11398 | E | N/A | E00483678 | yes |
| Sonchus maritimus L. | Egypt | Davis, P.H. | 8092 | E | N/A | E00483679 | yes |
| Sonchus maritimus L. | Jordan | Davis, P.H. | 9579 | E | N/A | E00483680 | yes |
| Sonchus maritimus L. | Iran, Islamic Republic of | Archibald, James C. | 2653 | E | N/A | E00483682 | yes |
| Sonchus maritimus L. | Iran, Islamic Republic of | Ayazi, F.B. | 5895 | E | N/A | E00483683 | yes |
| Sonchus oleraceus (L.) L. | Jordan | Davis, P.H. | 9305 | E | N/A | E00483701 | yes |
| Sonchus asper (L.) Hill | Iran, Islamic Republic of | Lamond, Jennifer, M. | 3114 | E | N/A | E00483663 | yes |
| Sonchus asper (L.) Hill | Egypt | Davis, P.H. | 10366 | E | N/A | E00483662 | yes |
| Sonchus asper (L.) Hill | Israel | Meyers, Fred S. & Dinsmore, J.E. | 4183 | E | N/A | E00483661 | yes |
| Sonchus asper (L.) Hill | Turkey | Aberdeen Univ. Amanus Expedition | MI 917 | E | N/A | E00483660 | yes |
| Sonchus asper (L.) Hill | Turkey | Tobey, Carl | 163 | E | N/A | E00483659 | yes |
| Sonchus asper (L.) Hill | Iran, Islamic Republic of | Assadi, M.; Edmondson, J.R. & Miller, A.G. | 2143 | E | N/A | E00483658 | yes |
| Sonchus asper (L.) Hill | Turkey | Davis, Peter Hadland | 14077 | E | N/A | E00483657 | yes |
| Sonchus asper (L.) Hill | Afghanistan | Podlech, D. | 12801 | E | N/A | E00483654 | yes |
| Sonchus asper (L.) Hill | Turkey | Sintenis, P. | 800 | E | N/A | E00483653 | yes |
| Sonchus asper (L.) Hill | Turkey | Kukkonen, Ilkka | 8130 | E | N/A | E00483652 | yes |
| Sonchus lachnocephalus Rech.f. | Afghanistan | Hedge, Ian C. & Wendelbo, Per | 3074 | E | N/A | E00483670 | yes |
| Sonchus lachnocephalus Rech.f. | Afghanistan | Hedge, Ian C. & Wendelbo, Per | W4273 | E | N/A | E00483671 | yes |
| Sonchus maritimus L. | Afghanistan | Andersen, Jan Steen & Petersen, Ivar Cornelius | 373 | E | N/A | E00483664 | yes |
| Sonchus maritimus L. | Afghanistan | Ekberg, Lars | W9070 | E | N/A | E00483665 | yes |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | Meyers, Fred S. & Dinsmore, J.E. | 2183 | E | N/A | E00483687 | yes |
| Sonchus oleraceus (L.) L. | Lebanon | Ball, John | 2301 | E | N/A | E00483686 | yes |
| Sonchus oleraceus (L.) L. | Greece | Edmondson, John R. & McClintock, Mary A.S. | 2586 | E | N/A | E00483685 | yes |
| Sonchus oleraceus (L.) L. | Egypt | Ghani, Monier Abd El | 740 | E | N/A | E00483684 | yes |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | Threlfall, W. | s.n. | E | N/A | E00483730 | yes |
| Sonchus oleraceus (L.) L. | Israel | Meyers, Fred S. & Dinsmore, J.E. | 6341 | E | N/A | E00483729 | yes |
| Sonchus oleraceus (L.) L. | Israel | Meyers, Fred S. & Dinsmore, J.E. | B341 | E | N/A | E00483728 | yes |
| Sonchus oleraceus (L.) L. | Israel | Meyers, Fred S. & Dinsmore, J.E. | 183 | E | N/A | E00483700 | yes |
| Sonchus oleraceus (L.) L. | Cyprus | Davis, P.H. | 2364K | E | N/A | E00483699 | yes |
| Sonchus oleraceus (L.) L. | Egypt | Davis, P.H. | 6113B | E | N/A | E00483698 | yes |
| Sonchus oleraceus (L.) L. | Egypt | Davis, P.H. | 8326 | E | N/A | E00483697 | yes |
| Sonchus oleraceus (L.) L. | Egypt | Davis, P.H. | 8439 | E | N/A | E00483696 | yes |
| Sonchus oleraceus (L.) L. | Egypt | Davis, P.H. | 8541 | E | N/A | E00483695 | yes |
| Sonchus oleraceus (L.) L. | Afghanistan | Lamond, Jennifer, M. | 2024 | E | N/A | E00483694 | yes |
| Sonchus oleraceus (L.) L. | Egypt | Davis, P.H. | 6086 B | E | N/A | E00483693 | yes |
| Sonchus oleraceus (L.) L. | Syrian Arab Republic | Haradjian, Manoog | 3280 | E | N/A | E00483692 | yes |
| Sonchus oleraceus (L.) L. | Iran, Islamic Republic of | Riazi, M. | 4150 | E | N/A | E00483691 | yes |
| Sonchus oleraceus (L.) L. | Syrian Arab Republic | Haradjian, Manoog | 1899 | E | N/A | E00483690 | yes |
| Sonchus oleraceus (L.) L. | Turkey | Davis, Peter H. & Polunin, Oleg V. | 25669 | E | N/A | E00483689 | yes |
| Sonchus oleraceus (L.) L. | Greece | Davis, P.H. | 40388 | E | N/A | E00483688 | yes |
| Sonchus oleraceus (L.) L. | Israel | Meyers, Fred S. & Dinsmore, J.E. | 341 | E | N/A | E00483710 | yes |
| Sonchus oleraceus (L.) L. | Iraq | Haines, R. Wheeler | s.n. | E | N/A | E00483709 | yes |
| Sonchus oleraceus (L.) L. | Iraq | Haines, R. Wheeler | s.n. | E | N/A | E00483708 | yes |
| Sonchus oleraceus (L.) L. | Egypt | Ball, John | 255 | E | N/A | E00483707 | yes |
| Sonchus oleraceus (L.) L. | Iraq | Polunin, O. | 5181 | E | N/A | E00483706 | yes |
| Sonchus oleraceus (L.) L. | Jordan | Boulos, L.; Jallad, W. & El-Gohary, M. | 8056 | E | N/A | E00483705 | yes |
| Sonchus oleraceus (L.) L. | Israel | Liston, A. & Monias, H. | s.n. | E | N/A | E00483704 | yes |
| Sonchus oleraceus (L.) L. | Iran, Islamic Republic of | Evans, W. Edgar | M/292 | E | N/A | E00483703 | yes |
| Sonchus oleraceus (L.) L. | Israel | Meyers, Fred S. & Dinsmore, J.E. | B.86 | E | N/A | E00483702 | yes |
| Sonchus suberosus Zohary & P.H.Davis | Unknown or unspecified country | | s.n. | E | N/A | E00483733 | no |
| Sonchus suberosus Zohary & P.H.Davis | Jordan | Davis, Peter Hadland | 9450 | E | N/A | E00483732 | yes |
| Sonchus tenerrimus L. | Iran, Islamic Republic of | Kotschy, Carl (Karl) Georg Theodor | 44 | E | N/A | E00483749 | yes |
| Sonchus tenerrimus L. | Iran, Islamic Republic of | Koelz, Walter | 14459 | E | N/A | E00483748 | yes |
| Sonchus tenerrimus L. | Iraq | Rechinger, Karl Heinz | 8440 | E | N/A | E00483747 | yes |
| Sonchus tenerrimus L. | Iraq | Agnew, D. & Agnew, S. | 1419 | E | N/A | E00483746 | yes |
| Sonchus tenerrimus L. | Greece | Papatsou, S. | 574 | E | N/A | E00483745 | yes |
| Sonchus oleraceus (L.) L. | Egypt | Ball, John | s.n. | E | N/A | E00483727 | yes |
| Sonchus oleraceus (L.) L. | Israel | Meyers, Fred S. & Dinsmore, J.E. | 86 | E | N/A | E00483726 | yes |
| Sonchus oleraceus (L.) L. | Iraq | Evans, William Edgar | M/292 | E | N/A | E00483725 | yes |
| Sonchus oleraceus (L.) L. | Iran, Islamic Republic of | Evans, W. Edgar | M/292 | E | N/A | E00483724 | yes |
| Sonchus oleraceus (L.) L. | Iraq | Wheeler Haines, R. | 11 | E | N/A | E00483723 | yes |
| Sonchus oleraceus (L.) L. | Afghanistan | Hedge, I.; Wendelbo, P. & Ekberg, L. | W8260B | E | N/A | E00483722 | yes |
| Sonchus oleraceus (L.) L. | Afghanistan | Hedge, Ian C. & Wendelbo, Per | W3231 | E | N/A | E00483721 | yes |
| Sonchus oleraceus (L.) L. | Lebanon | Post, G.E. | s.n. | E | N/A | E00483720 | yes |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | Post, George Edward (Rev.) | s.n. | E | N/A | E00483719 | yes |
| Sonchus oleraceus (L.) L. | Lebanon | [Mauny?] | s.n. | E | N/A | E00483718 | yes |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | Post, George Edward (Rev.) | s.n. | E | N/A | E00483717 | yes |
| Sonchus oleraceus (L.) L. | Jordan | Meyers, Fred S. & Dinsmore, J.E. | G. 183 | E | N/A | E00483716 | yes |
| Sonchus oleraceus (L.) L. | Israel | Meyers, Fred S. & Dinsmore, J.E. | 5028 | E | N/A | E00483715 | yes |
| Sonchus oleraceus (L.) L. | Israel | Meyers, Fred S. & Dinsmore, J.E. | 9028 | E | N/A | E00483714 | yes |
| Sonchus oleraceus (L.) L. | Lebanon | Ball, John | 1853 | E | N/A | E00483713 | yes |
| Sonchus oleraceus (L.) L. | Israel | Meyers, Fred S. & Dinsmore, J.E. | 2341 | E | N/A | E00483712 | yes |
| Sonchus tenerrimus L. | Iran, Islamic Republic of | Evans, W. Edgar | M/293 | E | N/A | E00483744 | yes |
| Sonchus tenerrimus L. | Jordan | Dinsmore, John Edward | 12535 | E | N/A | E00483743 | yes |
| Sonchus tenerrimus L. | Iraq | Evans, William Edgar | M/293 | E | N/A | E00483742 | yes |
| Sonchus tenerrimus L. | Turkey | Ball, John | s.n. | E | N/A | E00483741 | yes |
| Sonchus tenerrimus L. | Turkey | Schultz, M.G. | 35 | E | N/A | E00483740 | yes |
| Sonchus tenerrimus L. | Greece | Davis, P.H. | 40298 | E | N/A | E00483739 | yes |
| Sonchus tenerrimus L. | Turkey | [ Kotz ] | s.n. | E | N/A | E00483738 | yes |
| Sonchus tenerrimus L. | Iraq | Agnew, A.D.Q.; Hadac, E. & Wheeler Haines, R. | s.n. | E | N/A | E00483737 | yes |
| Sonchus tenerrimus L. | Iraq | Haines, R. Wheeler | 1669 | E | N/A | E00483736 | yes |
| Sonchus tenerrimus L. | Iraq | Haines, R. Wheeler | 887 | E | N/A | E00483735 | yes |
| Sonchus tenerrimus L. | Turkey | Tobey, Carl | 87 | E | N/A | E00483734 | yes |
| Sonchus oleraceus (L.) L. | United Arab Emirates | Western, R.A. | 145 | E | N/A | E00483767 | yes |
| Sonchus oleraceus (L.) L. | Saudi Arabia | Collenette, Iris Sheila (Mrs). | 3499 | E | N/A | E00483766 | yes |
| Sonchus oleraceus (L.) L. | Saudi Arabia | Collenette, Iris Sheila (Mrs). | 1631 | E | N/A | E00483763 | yes |
| Sonchus oleraceus (L.) L. | Oman | Whitcombe, R. | 476 | E | N/A | E00483762 | yes |
| Sonchus oleraceus (L.) L. | Oman | Whitcombe, R. | 529 | E | N/A | E00483761 | yes |
| Sonchus oleraceus (L.) L. | Bahrain | Alder, A.M. | 98 | E | N/A | E00483760 | yes |
| Sonchus asper (L.) Hill | Bahrain | Cornes, M. | 260 | E | N/A | E00483753 | yes |
| Sonchus asper (L.) Hill | Saudi Arabia | Collenette, Iris Sheila (Mrs). | 6110 | E | N/A | E00483752 | yes |
| Sonchus maritimus L. | Saudi Arabia | Collenette, Iris Sheila (Mrs). | 6397 | E | N/A | E00483754 | yes |
| Sonchus maritimus L. | Saudi Arabia | Naylor, K. | 85 | E | N/A | E00483755 | yes |
| Sonchus maritimus L. | Oman | Whitcombe, R. | 907 | E | N/A | E00483756 | yes |
| Sonchus maritimus L. | Saudi Arabia | Chaudhary, S.A. | E 283 | E | N/A | E00483757 | yes |
| Sonchus saudensis Boulos | Yemen | Miller, Anthony G. & Long, David G. | 3373 | E | N/A | E00483781 | yes |
| Sonchus schweinfurthii Oliv. & Hiern | Unknown or unspecified country | | s.n. | E | N/A | E00485527 | no |
| Sonchus saudensis Boulos | Yemen | Lavranos, J.J. | 11394 | E | N/A | E00483780 | yes |
| Sonchus saudensis Boulos | Yemen | Lavranos, J.J. & Newton, L E | 15935 | E | N/A | E00483779 | yes |
| Sonchus saudensis Boulos | Yemen | Wood, John Richard Ironside | 2463 | E | N/A | E00483778 | yes |
| Sonchus saudensis Boulos | Yemen | Wood, J.R.I. | 2463 | E | N/A | E00483777 | yes |
| Sonchus tenerrimus L. | Saudi Arabia | Collenette, Iris Sheila (Mrs). | 4184 | E | N/A | E00483783 | yes |
| Sonchus tenerrimus L. | Saudi Arabia | Collenette, Iris Sheila (Mrs). | 4551 | E | N/A | E00483782 | yes |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483793 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483791 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483790 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483789 | no |
| Sonchus oleraceus (L.) L. | Qatar | Boulos, Loutfy | 11016 | E | N/A | E00483776 | yes |
| Sonchus oleraceus (L.) L. | Qatar | Boulos, Loutfy | 11190 | E | N/A | E00483775 | yes |
| Sonchus oleraceus (L.) L. | Yemen | Muller-Hohenstein, K. & Deil, U. | 737 | E | N/A | E00483774 | yes |
| Sonchus oleraceus (L.) L. | Kuwait | Jalili, R. | 10980B | E | N/A | E00483773 | yes |
| Sonchus oleraceus (L.) L. | Saudi Arabia | Chaudhary, Shaukat Ali | s.n. | E | N/A | E00483772 | yes |
| Sonchus oleraceus (L.) L. | Yemen | Grierson, Andrew John Charles | 81 | E | N/A | E00483771 | yes |
| Sonchus oleraceus (L.) L. | Oman | Whitcombe, R.P. | 51 | E | N/A | E00483770 | yes |
| Sonchus oleraceus (L.) L. | Oman | Radcliffe-Smith, A. | 4073 | E | N/A | E00483769 | yes |
| Sonchus oleraceus (L.) L. | Saudi Arabia | Naylor, K. & Peck, D. G. | N77 | E | N/A | E00483768 | yes |
| Sonchus crassifolius Pourret ex Willd. | Unknown or unspecified country | | s.n. | E | N/A | E00483473 | no |
| Sonchus crassifolius Pourret ex Willd. | Unknown or unspecified country | | s.n. | E | N/A | E00483474 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00074100 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483475 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483476 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483477 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483478 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483479 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483480 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483481 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483482 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483483 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483484 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483485 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483486 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483487 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483488 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483500 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483489 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483490 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483491 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483492 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483493 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483494 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483495 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483496 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483498 | no |
| Sonchus maritimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483499 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483501 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483502 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483503 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483505 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483507 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483508 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483524 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483525 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483526 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483527 | no |
| Sonchus asper L. | Unknown or unspecified country | | s.n. | E | N/A | E00483528 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483530 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483531 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483532 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483533 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483509 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483510 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483511 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483512 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483513 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483514 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483515 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483516 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483518 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483519 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483520 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483521 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483522 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483523 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483540 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483541 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483542 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483543 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483544 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483545 | no |
| Sonchus asper glaucescens (Jord.) Ball ex Ball | Unknown or unspecified country | | s.n. | E | N/A | E00483546 | no |
| Sonchus asper glaucescens (Jord.) Ball ex Ball | Unknown or unspecified country | | s.n. | E | N/A | E00483547 | no |
| Sonchus asper glaucescens (Jord.) Ball ex Ball | Unknown or unspecified country | | s.n. | E | N/A | E00483548 | no |
| Sonchus asper glaucescens (Jord.) Ball ex Ball | Unknown or unspecified country | | s.n. | E | N/A | E00483549 | no |
| Sonchus asper glaucescens (Jord.) Ball ex Ball | Unknown or unspecified country | | s.n. | E | N/A | E00483550 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483551 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483552 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483553 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483535 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483536 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483537 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | | s.n. | E | N/A | E00483538 | no |
| Sonchus palustris L. | Unknown or unspecified country | | s.n. | E | N/A | E00483567 | no |
| Sonchus palustris L. | Unknown or unspecified country | | s.n. | E | N/A | E00483568 | no |
| Sonchus palustris L. | Unknown or unspecified country | | s.n. | E | N/A | E00483569 | no |
| Sonchus palustris L. | Unknown or unspecified country | | s.n. | E | N/A | E00483570 | no |
| Sonchus palustris L. | Unknown or unspecified country | | s.n. | E | N/A | E00483571 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483572 | no |
| Sonchus pustulatus Willk. | Unknown or unspecified country | | s.n. | E | N/A | E00483573 | no |
| Sonchus uliginosus M.Bieb. | Unknown or unspecified country | | s.n. | E | N/A | E00483574 | no |
| Sonchus uliginosus M.Bieb. | Unknown or unspecified country | | s.n. | E | N/A | E00483575 | no |
| Sonchus uliginosus M.Bieb. | Unknown or unspecified country | | s.n. | E | N/A | E00483576 | no |
| Sonchus uliginosus M.Bieb. | Unknown or unspecified country | | s.n. | E | N/A | E00483577 | no |
| Sonchus uliginosus M.Bieb. | Unknown or unspecified country | | s.n. | E | N/A | E00483578 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483554 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483555 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483557 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483558 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483559 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483560 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483561 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483562 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483563 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483564 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483565 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483566 | no |
| Sonchus uliginosus M.Bieb. | Unknown or unspecified country | | s.n. | E | N/A | E00483579 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483811 | no |
| Sonchus tenerrimus L. | Unknown or unspecified country | | s.n. | E | N/A | E00483788 | no |
| Sonchus fragilis Ball | Unknown or unspecified country | | s.n. | E | N/A | E00483794 | no |
| Sonchus gracilis Phil. | Unknown or unspecified country | | s.n. | E | N/A | E00483795 | no |
| Sonchus macrocarpus Boulos & C.Jeffrey | Unknown or unspecified country | | s.n. | E | N/A | E00483796 | no |
| Sonchus macrocarpus Boulos & C.Jeffrey | Unknown or unspecified country | | s.n. | E | N/A | E00483797 | no |
| Sonchus macrocarpus Boulos & C.Jeffrey | Unknown or unspecified country | | s.n. | E | N/A | E00483798 | no |
| Sonchus macrocarpus Boulos & C.Jeffrey | Unknown or unspecified country | | s.n. | E | N/A | E00483799 | no |
| Sonchus macrocarpus Boulos & C.Jeffrey | Unknown or unspecified country | | s.n. | E | N/A | E00483800 | no |
| Sonchus macrocarpus Boulos & C.Jeffrey | Unknown or unspecified country | | s.n. | E | N/A | E00483801 | no |
| Sonchus macrocarpus Boulos & C.Jeffrey | Unknown or unspecified country | | s.n. | E | N/A | E00483802 | no |
| Sonchus mauritanicus Boiss. & Reut. | Unknown or unspecified country | | s.n. | E | N/A | E00483805 | no |
| Sonchus mauritanicus Boiss. & Reut. | Unknown or unspecified country | | s.n. | E | N/A | E00483806 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483807 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483808 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483809 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483810 | no |
| Sonchus pinnatifidus Cav. | Unknown or unspecified country | | s.n. | E | N/A | E00485147 | no |
| Sonchus pinnatifidus Cav. | Unknown or unspecified country | | s.n. | E | N/A | E00485148 | no |
| Sonchus pinnatifidus Cav. | Unknown or unspecified country | | s.n. | E | N/A | E00485149 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485505 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485507 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485508 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485509 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485510 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485511 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485512 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485513 | no |
| Sonchus malaianus Miq. | Unknown or unspecified country | | s.n. | E | N/A | E00485496 | no |
| Sonchus wightianus DC. | Unknown or unspecified country | | s.n. | E | N/A | E00485497 | no |
| Sonchus asper (L.) Hill | Unknown or unspecified country | | s.n. | E | N/A | E00485498 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485502 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485503 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485504 | no |
| Sonchus asper (L.) Hill | Unknown or unspecified country | | s.n. | E | N/A | E00485518 | no |
| Sonchus angustissimus Hook.f. | Unknown or unspecified country | | s.n. | E | N/A | E00485519 | no |
| Sonchus masguindalii Pau & Font Quer | Unknown or unspecified country | | s.n. | E | N/A | E00483804 | no |
| Sonchus macrocarpus Boulos & C.Jeffrey | Unknown or unspecified country | | s.n. | E | N/A | E00483803 | no |
| Sonchus brachyotus DC. | Unknown or unspecified country | | s.n. | E | N/A | E00485337 | no |
| Sonchus arvensis L. | Unknown or unspecified country | | s.n. | E | N/A | E00483504 | no |
| Sonchus saudensis Boulos | Yemen | Hein, Peter | PH124 | E | N/A | E00540351 | yes |
| Sonchus wightianus wallichianus (DC.) Boulos | Nepal | Ikeda, H.; Kawahara, T.; Yano, O.; Watson, M.F.; Li, Z.H.; Subedi, M.N. & Acharya, S.K | 20815034 | E | N/A | E00656261 | no |
| Sonchus saudensis Boulos | Yemen | Kilian, N. | NK4757 | E | N/A | E00540357 | yes |
| Sonchus saudensis Boulos | Yemen | Kilian, N. | NK4648 | E | N/A | E00540358 | yes |
| Sonchus saudensis Boulos | Yemen | Hein, Peter | PH124C | E | N/A | E00540367 | yes |
| Sonchus | China | Gaoligong Shan Biotic Survey Expedition - Autumn 2003 | 17259 | E | N/A | E00624260 | no |
| Sonchus arvensis L. | Kyrgyzstan | Robertson, K.R.; Taft, J.B.; Lazkov, G.A. | 6155 | E | N/A | E00713019 | yes |
| Sonchus integrifolius Harv. | Unknown or unspecified country | | s.n. | E | N/A | E00485576 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00485646 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | | s.n. | E | N/A | E00483556 | no |
| Sonchus maritimus L. | Iraq | Haines, R. Wheeler | 458 | E | N/A | E00483681 | yes |
| Sonchus wightianus DC. | Unknown or unspecified country | | s.n. | E | N/A | E00485330 | no |
| Sonchus asper (L.) Hill | Nepal | Nepal Bajhang 2009 Expedition | 20917030 | E | N/A | E00395778 | no |
| Sonchus friesii integer G.V.Pope | Zimbabwe | Gilliland, H.B. | 450 | K | Herbarium | K000285823 | no |
| Sonchus friesii integer G.V.Pope | Zimbabwe | Swynnerton, C.F.M. | 487 | K | Herbarium | K000285824 | no |
| Sonchus friesii integer G.V.Pope | Zimbabwe | Chase, N.C. | 6766 | K | Herbarium | K000285825 | no |
| Sonchus friesii integer G.V.Pope | Zimbabwe | Goldsmith, B. | 81/61 | K | Herbarium | K000285826 | yes |
| Sonchus oleraceus L. | Brazil | Noblick, L.R. | 3914 | K | Herbarium | K000054023 | yes |
| Sonchus oleraceus L. | Brazil | Hind, D.J.N., Bautista, H.P., daSilva, M.M. | PCD4113 | K | Herbarium | K000054018 | yes |
| Sonchus oleraceus L. | Brazil | Hind, D.J.N., Giulietti, A.M., Harley, R.M. | PCD3374 | K | Herbarium | K000054017 | yes |
| Sonchus oleraceus L. | Brazil | Smith, S., Hind, D.J.N., Bautista, H.P. | PCD3173 | K | Herbarium | K000054019 | yes |
| Sonchus oleraceus L. | Brazil | Hind, D.J.N., Ganev, W., Souza, V.C., Sakuragui, C.M., Lughadha, E.N., Harley, R.M. | H50476 | K | Herbarium | K000054020 | yes |
| Sonchus oleraceus L. | Brazil | Hind, D.J.N., Guedes, M.L. | 8 | K | Herbarium | K000054022 | yes |
| Sonchus oleraceus L. | Brazil | Hind, D.J.N., Sant'Ana, S.C. | 29 | K | Herbarium | K000054021 | yes |
| Sonchus angustissimus Hook.f. | Cameroon | Cheek, M. | 9463 | K | Herbarium | K000108711 | no |
| Sonchus angustissimus Hook.f. | Cameroon | Cheek, M. | 9173 | K | Herbarium | K000108712 | no |
| Sonchus bipontinii Aschers. | Unknown or unspecified country | Ash, Mrs | 1398 | K | Spirit Collection | 35686.000 | no |
| Sonchus schweinfurthii Oliv. & Hiern. | Unknown or unspecified country | Ash | 1987 | K | Spirit Collection | 35838.000 | no |
| Sonchus novae-zelandiae Benth. & Hook.f. | New Zealand | Haast, J. | 727 | K | Herbarium | K000323043 | yes |
| Sonchus novae-zelandiae Benth. & Hook.f. | New Zealand | Haast, J. | 733 | K | Herbarium | K000323044 | yes |
| Sonchus asper (L.) Hill | Unknown or unspecified country | Lowe, R.T. | 861 | K | Herbarium | K000378792 | yes |
| Sonchus asper (L.) Hill | Unknown or unspecified country | Lowe, R, T. | 548 | K | Herbarium | K000378794 | yes |
| Sonchus asper (L.) Hill | Unknown or unspecified country | Lowe, R.T. | 861 | K | Herbarium | K000378793 | yes |
| Sonchus angustissimus Hook.f. | Cameroon | Cheek, M. | 8501 | K | Herbarium | K000338029 | no |
| Sonchus schweinfurthii Oliv. & Hiern | Cameroon | Cheek, M. | 8546 a | K | Herbarium | K000338031 | no |
| Sonchus schweinfurthii Oliv. & Hiern | Cameroon | Cable, S. | 3027 | K | Herbarium | K000338030 | no |
| Sonchus bipontini Asch. | Kenya | Hooper, S.S., Townsend, C.C. | 1389 | K | Herbarium | K000334225 | no |
| Sonchus bipontini Asch. | Kenya | Hepper, F.N., Field, D.V. | 7114 | K | Herbarium | K000334223 | no |
| Sonchus bipontini Asch. | Kenya | Bally, P.R.O. | 4998 | K | Herbarium | K000334226 | no |
| Sonchus bipontini Asch. | Kenya | Kokwaro, J.O. | 2448 | K | Herbarium | K000334221 | no |
| Sonchus bipontini Asch. | Kenya | Mwangangi, O.M. | 392 | K | Herbarium | K000334220 | no |
| Sonchus bipontini Asch. | Kenya | Tweedie | 4296 | K | Herbarium | K000334222 | no |
| Sonchus bipontini Asch. | Kenya | Mwatsuma, D., Luke, W.R.Q., Hoft, M. | 8945 | K | Herbarium | K000334217 | no |
| Sonchus bipontini Asch. | Kenya | Tweedie | 888 | K | Herbarium | K000334219 | no |
| Sonchus bipontini Asch. | Kenya | Hedberg, O. | 66 | K | Herbarium | K000334218 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Bally, P.R.O. | 1019 | K | Herbarium | K000334249 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Whittal, E. | 3 | K | Herbarium | K000334248 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Greenway, P.J. | 13550 | K | Herbarium | K000334250 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Fayad, C. | 253 | K | Herbarium | K000334246 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Greenway, P.J., Kanuri, K. | 13849 | K | Herbarium | K000334247 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Townsend, C.C. | 2197 | K | Herbarium | K000334244 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Thomas, B.C. | 28248 | K | Herbarium | K000334245 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Dowson, W.J. | 360 | K | Herbarium | K000334242 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Gillett, J.B. | 19006 | K | Herbarium | K000334243 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Copley, Miss H. | 426 | K | Herbarium | K000334240 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Bally, P.R.O. | 4743 | K | Herbarium | K000334241 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Perdue, R.E., Kibuwa, S.P. | 8311 | K | Herbarium | K000334237 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Kerfoot, O. | 498 | K | Herbarium | K000334236 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Hancock, A.D. | 29 | K | Herbarium | K000334239 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Someren, C. van | s.n. | K | Herbarium | K000334238 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Wimbush, S.H. | 3360 | K | Herbarium | K000334234 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Polhill, E. | 29 | K | Herbarium | K000334235 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Kerfoot, O. | 1391 | K | Herbarium | K000334232 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Albrechtsen, W. | 8 | K | Herbarium | K000334233 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Bally, P.R.O. | 1147 | K | Herbarium | K000334230 | no |
| Sonchus afromontanus R.E.Fr. | Kenya | Tweedie, R. | 25 | K | Herbarium | K000334229 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | Mathenge, S.G. | 207 | K | Herbarium | K000334231 | no |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey | Kenya | s.coll. | 501 | K | Herbarium | K000334227 | no |
| Sonchus afromontanus R.E.Fr. | Kenya | Tweedie | 2550 | K | Herbarium | K000334228 | no |
| Sonchus stenophyllus R.E.Fr. | Unknown or unspecified country | Fries, R.E., Fries, T.C.E. | 123 | K | Herbarium | K000311762 | no |
| Sonchus stenophyllus R.E.Fr. | Unknown or unspecified country | Richards, M. | 24165 | K | Herbarium | K000312263 | no |
| Sonchus stenophyllus R.E.Fr. | Unknown or unspecified country | Gilbert, M.G., Gachathi, F.N., Gatheri, G.W. | 5155 | K | Herbarium | K000312264 | no |
| Sonchus stenophyllus R.E.Fr. | Unknown or unspecified country | Newbould, J.B. | 3110 | K | Herbarium | K000312265 | yes |
| Sonchus camporum (R.E.Fr.) C.Jeffrey | Unknown or unspecified country | Fries, R.E., Fries, T.C.E. | 513b | K | Herbarium | K000312260 | no |
| Sonchus camporum (R.E.Fr.) C.Jeffrey | Unknown or unspecified country | Lugard, E.J., Lugard, C. | 546 | K | Herbarium | K000312261 | no |
| Sonchus stenophyllus R.E.Fr. | Unknown or unspecified country | Hepper, F.N., Jaeger, P.M.L. | 6844 | K | Herbarium | K000312262 | no |
| Sonchus camporum (R.E.Fr.) C.Jeffrey | Unknown or unspecified country | Dauglish, A.F. | 68 | K | Herbarium | K000312258 | no |
| Sonchus camporum (R.E.Fr.) C.Jeffrey | Kenya | Fries, C.E., Fries, R.E. | 513 | K | Herbarium | K000312259 | no |
| Sonchus dregeanus DC. | Unknown or unspecified country | | s.n. | K | Herbarium | K000251715 | yes |
| Sonchus dregeanus DC. | Unknown or unspecified country | Drege | s.n. | K | Herbarium | K000251714 | yes |
| Sonchus dregeanus DC. | Unknown or unspecified country | Drege | s.n. | K | Herbarium | K000251713 | yes |
| Sonchus oleraceus L. | Unknown or unspecified country | Drege | s.n. | K | Herbarium | K000251712 | yes |
| Sonchus integrifolius Harv. | Unknown or unspecified country | | s.n. | K | Herbarium | K000251711 | yes |
| Sonchus integrifolius Harv. | Unknown or unspecified country | Harvy | s.n. | K | Herbarium | K000251710 | yes |
| Sonchus asper (L.) Hill | Unknown or unspecified country | Robinson, E.A. | 904 | K | Herbarium | K000251863 | yes |
| Sonchus schweinfurthii Oliver & Hiern | Unknown or unspecified country | Schweinfurth, G. | 3560 | K | Herbarium | K000251853 | yes |
| Sonchus angustissimus Hook.f. | Cameroon | Mann | s.n. | K | Herbarium | K000251852 | yes |
| Sonchus daltonii Webb | Cape Verde | [illegible] | s.n. | K | Herbarium | K000251851 | yes |
| Sonchus hierrensis canariensis (Sch. Bip.) Aldridge | Unknown or unspecified country | Boulos, L. | s.n. | K | Herbarium | K000251850 | yes |
| Sonchus platylepis Webb | Unknown or unspecified country | Bourgeau, E. | 396 | K | Herbarium | K000251849 | yes |
| Sonchus wildpretii U.Reifenb. & A.Reifenb. | Unknown or unspecified country | Reifenberger, U. et A. | s.n. | K | Herbarium | K000251848 | yes |
| Sonchus wildpretii U.Reifenb. & A.Reifenb. | Unknown or unspecified country | Reifenberger, U. et A. | s.n. | K | Herbarium | K000251847 | yes |
| Sonchus camporum (R.E.Fr.) Boulos ex C.Jeffrey | Kenya | Fries, R.E., Fries, T.C.E. | 513b | K | Herbarium | K000251862 | yes |
| Sonchus bipontini Aschers. | Unknown or unspecified country | Schimper | 1299 | K | Herbarium | K000251861 | yes |
| Sonchus bipontini Aschers. | Unknown or unspecified country | Schimper | 1299 | K | Herbarium | K000251860 | yes |
| Sonchus bipontini Aschers. ex Oliv. & Hiern | Unknown or unspecified country | Schimper | 1299 | K | Herbarium | K000251859 | yes |
| Sonchus melanolepis Fresen. | Unknown or unspecified country | Schimper | 1242 | K | Herbarium | K000251858 | yes |
| Sonchus melanolepis Fresen. | Unknown or unspecified country | Schimper | 1242 | K | Herbarium | K000251857 | yes |
| Sonchus melanolepis Fresen. | Unknown or unspecified country | Schimper | 1242 | K | Herbarium | K000251856 | yes |
| Sonchus obtusilobus R.E.Fr. | Unknown or unspecified country | Schimper | 614 | K | Herbarium | K000251855 | yes |
| Sonchus tenerrimus L. | Unknown or unspecified country | Gay, J. | s.n. | K | Herbarium | K000251837 | yes |
| Sonchus bourgeauii maritimus | Unknown or unspecified country | Ball, J. | 548 | K | Herbarium | K000251836 | yes |
| Sonchus tenerrimus maritimus | Unknown or unspecified country | Hooker | s.n. | K | Herbarium | K000251835 | yes |
| Sonchus tenerrimus maritimus | Morocco | Hooker | s.n. | K | Herbarium | K000251834 | yes |
| Sonchus tenerrimus maritimus | Unknown or unspecified country | Hooker | s.n. | K | Herbarium | K000251833 | yes |
| Sonchus asper (L.) Hill | Unknown or unspecified country | Lowe, R, T. | 860 | K | Herbarium | K000251845 | yes |
| Sonchus asper (L.) Hill | Unknown or unspecified country | Lowe, R.T. | 861 | K | Herbarium | K000251844 | yes |
| Sonchus radicatus Ait. var. radicatus | Unknown or unspecified country | Filch | s.n. | K | Herbarium | K000251843 | yes |
| Sonchus gonzalezpadroni Svent. | Unknown or unspecified country | Boulos, L. | s.n. | K | Herbarium | K000251842 | yes |
| Sonchus ustulatus Lowe | Unknown or unspecified country | Lowe, R. T. | 197 | K | Herbarium | K000251841 | yes |
| Sonchus fragilis | Unknown or unspecified country | Ball, J. | 676 | K | Herbarium | K000251840 | yes |
| Sonchus fragilis Ball | Unknown or unspecified country | Ball, J. | 549 | K | Herbarium | K000251839 | yes |
| Sonchus fragilis Ball | Morocco | Hooker | s.n. | K | Herbarium | K000251838 | yes |
| Sonchus asper (L.) Hill | Unknown or unspecified South America | Talbot, H.F. | 1840 | K | Herbarium | K001100159 | yes |
| Sonchus asper (L.) Hill | Brazil | Ferreira, F.M., Saavedra, M.M., Ribeiro, R.D., Avelar, M.G., Forzza, R.C. | 345 | K | Herbarium | K001100160 | yes |
| Sonchus asper (L.) Hill | Brazil | Lombardi, J.A., Morais, P.O. | 2684 | K | Herbarium | K001100161 | yes |
| Sonchus asper (L.) Hill | Brazil | Preston, T.A. | s.n. | K | Herbarium | K001100162 | yes |
| Sonchus oleraceus L. | Brazil | Ratter, J.A. | 3676 | K | Herbarium | K001100163 | yes |
| Sonchus oleraceus L. | Brazil | Ratter, J.A. | 3677 | K | Herbarium | K001100164 | yes |
| Sonchus oleraceus L. | Brazil | Strang, H.E. | 517 | K | Herbarium | K001100165 | yes |
| Sonchus oleraceus L. | Brazil | Sellow | 423 | K | Herbarium | K001100166 | yes |
| Sonchus oleraceus Wall. | Unknown or unspecified country | s.coll. | Cat. no. 3252 | K | Herbarium | K001118924 | yes |
| Sonchus oleraceus Wall. | India | s.coll. | Cat. no. 3252 | K | Herbarium | K001118925 | yes |
| Sonchus oleraceus Wall. | India | s.coll. | Cat. no. 3252 | K | Herbarium | K001118926 | yes |
| Sonchus oleraceus Wall. | India | Wallich, N. | Cat. no. 3252 | K | Herbarium | K001118927 | yes |
| Sonchus ferox Wall. | Nepal | Wallich, N. | Cat. no. 3248 | K | Herbarium | K001118917 | yes |
| Sonchus ferox Wall. | Nepal | Wallich, N. | Cat. no. 3248 | K | Herbarium | K001118918 | yes |
| Sonchus longifolius Wall. | Unknown or unspecified country | s.coll. | Cat. no. 3251 | K | Herbarium | K001118919 | yes |
| Sonchus longifolius Wall. | India | Wallich, N. | Cat. no. 3251 | K | Herbarium | K001118920 | yes |
| Sonchus longifolius Wall. | Unknown or unspecified country | s.coll. | Cat. no. 3251 | K | Herbarium | K001118921 | yes |
| Sonchus oleraceus Wall. | India | s.coll. | Cat. no. 3252 | K | Herbarium | K001118922 | yes |
| Sonchus oleraceus Wall. | India | s.coll. | Cat. no. 3252 | K | Herbarium | K001118923 | yes |
| Sonchus oleraceus L. | Cape Verde | Vogel, T. | 36 | K | Herbarium | K001134173 | yes |
| Sonchus oleraceus L. | Cape Verde | Hooker, J.D. | 203 | K | Herbarium | K001134171 | yes |
| Sonchus oleraceus L. | Cape Verde | Vogel, T. | 68 | K | Herbarium | K001134172 | yes |
| Sonchus oleraceus L. | Brazil | Cardoso, D. | 1348 | K | Herbarium | K001031938 | yes |
| Sonchus sp. | Unknown or unspecified country | Du, N.V. et al. | HNK 3273 | K | Herbarium | K001045447 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Margwe, B. | 19 | K | Herbarium | K000614954 | no |
| Sonchus grandifolius Kirk | New Zealand | Kirk, T. | 1403 | K | Herbarium | K000808041 | yes |
| Sonchus grandifolius Kirk | New Zealand | Kirk, T. | 1474 | K | Herbarium | K000808042 | yes |
| Sonchus megalocarpus (Hook.f.) J.M.Black | Australia | Gunn, R.C. | 845 | K | Herbarium | K000808043 | yes |
| Sonchus maritimus L. | Indonesia | Horsfield, T. | s.n. | K | Herbarium | K000808044 | yes |
| Sonchus tenerrimus L. | United States | Nuttall, T. | s.n. | K | Herbarium | K000808040 | yes |
| Sonchus suberosus Zohary & P.H.Davis | Unknown or unspecified country | Kashnir, Davis, P.H. | 5003 | K | Herbarium | K000808048 | yes |
| Sonchus suberosus Zohary & P.H.Davis | Unknown or unspecified country | Kashnir, Davis, P.H. | 5003 | K | Herbarium | K000808049 | yes |
| Sonchus wightianus DC. | China | Cavalerie, J. | 3704 | K | Herbarium | K000808045 | yes |
| Sonchus saudensis Boulos | Saudi Arabia | Ads, A.S., Boulos, L. | 13976 | K | Herbarium | K000808046 | yes |
| Sonchus suberosus Zohary & P.H.Davis | Unknown or unspecified country | Kushair, Davis, P.H. | 5003 | K | Herbarium | K000808047 | yes |
| Sonchus arvensis littoralis Fr. | Unknown or unspecified country | Scheutz, N.J. | s.n. | K | Herbarium | K000808053 | yes |
| Sonchus arvensis integrifolia Lge | Denmark | Lange | s.n. | K | Herbarium | K000808054 | yes |
| Sonchus erzincanicus V.A.Matthews | Turkey | Davis, P.H., Hedge, I.C. | 31847 | K | Herbarium | K000808050 | yes |
| Sonchus arvensis uliginosus (M.Bieb.) Trautv. | Unknown or unspecified country | Tineo | s.n. | K | Herbarium | K000808051 | yes |
| Sonchus arvensis uliginosus (M.Bieb.) Trautv. | Italy | Tineo | s.n. | K | Herbarium | K000808052 | yes |
| Sonchus asper hydrophilus (Boulos) Koster | Unknown or unspecified country | Takeuchi, W. et al. | 20242 | K | Herbarium | K000575458 | no |
| Sonchus oleraceus L. | Cameroon | Pollard, B.J. | 457 | K | Herbarium | K000746087 | no |
| Sonchus asper (L.) Hill subsp. asper | Unknown or unspecified country | Thierry de Poerck & Rajith Dissanayake | 96/3 | E | N/A | E00032201 | no |
| Sonchus oleraceus (L.) L. | Unknown or unspecified country | Fairweather, G. & Hafashimana, D. | FH 39 | E | N/A | E00033750 | no |
| Sonchus wightianus DC. subsp. wightianus | India | Edinburgh Expedition to Northern Sikkim (1996) | 91 | E | N/A | E00047277 | no |
| Sonchus oleraceus (L.) L. | Argentina | Darwin, Charles | s.n. | E | N/A | E00070234 | yes |
| Sonchus | China | Gaoligong Shan Expedition 1996 | 8169 | E | N/A | E00205055 | no |
| Sonchus wightianus DC. subsp. wightianus | Bhutan | Sinclair, Ian W.J. & Long, David G. | 5599 | E | N/A | E00081856 | no |
| Sonchus wightianus DC. subsp. wightianus | Bhutan | Parker, C. | 4928 | E | N/A | E00081857 | no |
| Sonchus oleraceus (L.) L. | China | Liu, Zheng-yu | 15302 | E | N/A | E00088093 | no |
| Sonchus | China | Kunming, Edinburgh, Gothenburg Expedition (1993) | 1615 | E | N/A | E00003035 | no |
| Sonchus novae-zelandiae (Hook.f) Benth. & Hook.f. | New Zealand | Banks, Joseph & Solander Daniel Carl | s.n. | E | N/A | E00026473 | yes |
| Sonchus congestus Willd. | Spain | Davis, Peter H. | D 67397 | E | N/A | E00038355 | no |
| Sonchus arvensis L. | China | Sino-American-British Yushu Expedition (1996) | 2800 | E | N/A | E00064316 | no |
| Sonchus arvensis L. | France | Gardner, Martin F. & Knees, Sabina G. | 646 | E | N/A | E00074103 | no |
| Sonchus maritimus L. | France | Gardner, Martin F. & Knees, Sabina G. | 639 | E | N/A | E00074099 | no |
| Sonchus maritimus L. | Spain | Gardner, Martin F. & Knees, Sabina G. | 1881 | E | N/A | E00074098 | no |
| Sonchus tenerrimus L. | Spain | Gardner, Martin F. & Knees, Sabina G. | 1415 | E | N/A | E00074095 | no |
| Sonchus tenerrimus L. | Spain | Gardner, Martin F. & Knees, Sabina G. | 1586 | E | N/A | E00074096 | no |
| Sonchus tenerrimus L. | Spain | Gardner, Martin F. & Knees, Sabina G. | 1698 | E | N/A | E00074097 | no |
| Sonchus crassifolius Pourret ex Willd. | Spain | Gardner, Martin F. & Knees, Sabina G. | 1890 | E | N/A | E00074102 | no |
| Sonchus palustris L. | Spain | Reading University Botany Department Expedition (1979) | 342 | E | N/A | E00074101 | no |
| Sonchus tenerrimus L. | Spain | Gardner, Martin F. & Knees, Sabina G. | 1025 | E | N/A | E00074093 | no |
| Sonchus tenerrimus L. | Spain | Reading University Botany Department Expedition (1979) | 184 | E | N/A | E00074094 | no |
| Sonchus brachyotus DC. | China | Sino-British Qinghai Expedition 1997 | 1155 | E | N/A | E00137761 | no |
| Sonchus oleraceus L. | Brazil | Gardner, G. | 521 | K | Herbarium | K000895166 | yes |
| Sonchus oleraceus lacerus | Chile | Philippi, R.A. | s.n. | K | Herbarium | K000959924 | yes |
| Sonchus oleraceus (L.) L. | Brazil | Burchell | 1732 | K | Herbarium | K000955823 | yes |
| Sonchus asper (L.) Hill | United Kingdom | Cope, T.A. | RBG 106 | K | Herbarium | K000914420 | yes |
| Sonchus oleraceus L. | United Kingdom | Cope, T.A. | RBG 117 | K | Herbarium | K000914419 | yes |
| Sonchus arvensis L. | United Kingdom | Cope, T.A. | RBG 443 | K | Herbarium | K000914418 | yes |
| Sonchus arvensis L. | United Kingdom | Cope, T.A. | RBG 443 | K | Herbarium | K000914417 | yes |
| Sonchus asper (L.) Hill | United Kingdom | Cope, T.A. | RBG 63 | K | Herbarium | K000914424 | yes |
| Sonchus asper (L.) Hill | Saint Helena, Ascension and Tristan da Cunha | Cronk, Q. | 4 | E | N/A | E00291363 | no |
| Sonchus asper (L.) Hill | Chile | Gardner, Martin F. & Knees, Sabina G. | 6572 | E | N/A | E00131924 | yes |
| Sonchus wightianus DC. subsp. wightianus | Lao People's Democratic Republic | Khampheng Homsombath, & Newman, Mark F | 1420 | E | N/A | E00166835 | no |
| Sonchus oleraceus (L.) L. | Saint Helena, Ascension and Tristan da Cunha | Cronk, Q. | 3 | E | N/A | E00291330 | no |
| Sonchus tenerrimus L. | Saint Helena, Ascension and Tristan da Cunha | Cronk, Q. | 459 | E | N/A | E00291332 | no |
| Sonchus | Saint Helena, Ascension and Tristan da Cunha | Cronk, Q. | 462 | E | N/A | E00291331 | no |
| Sonchus oleraceus (L.) L. | China | Gaoligong Shan Expedition (2000) | 12063 | E | N/A | E00238505 | no |
| Sonchus mauritanicus Boiss. & Reut. | Tunisia | Davis, P.H. & Lamond, J. | D57029 | E | N/A | E00177670 | no |
| Sonchus lachnocephalus Rech.f. | Afghanistan | Rechinger, K.H. | 36853 | E | N/A | E00177671 | yes |
| Sonchus integrifolius Harv. | South Africa | Hilliard, O.M. & Burtt, B.L. | 7228 | E | N/A | E00177666 | no |
| Sonchus integrifolius Harv. | South Africa | Hilliard, O.M. & Burtt, B.L. | 1918 | E | N/A | E00177667 | no |
| Sonchus gigas Boulos ex Humbert | South Africa | Hilliard, Olive M. | 4043 | E | N/A | E00177668 | no |
| Sonchus mauritanicus Boiss. & Reut. | Tunisia | Davis, P.H. & Lamond, J. | D57016 | E | N/A | E00177669 | no |
| Sonchus nanus Sond. ex Harv. | South Africa | Hilliard, O.M. & Burtt, B.L. | 7273 | E | N/A | E00177664 | no |
| Sonchus nanus Sond. ex Harv. | South Africa | Hilliard, O.M. & Burtt, B.L. | 8425 | E | N/A | E00177665 | no |
| Sonchus wilmsii R.E.Fr. | South Africa | Ram, M. | s.n. | E | N/A | E00177662 | no |
| Sonchus wilmsii R.E.Fr. | South Africa | McDonald, D.J. | 155 | E | N/A | E00177663 | no |
| Sonchus saudensis Boulos | Yemen | Wood, J.R.I. | 3316 | E | N/A | E00177673 | yes |
| Sonchus palustris L. | Italy | Davis, D.; Sutton, S.; | D.65384 | E | N/A | E00177678 | no |
| Sonchus wightianus DC. | India | Cave, G.H. | s.n. | E | N/A | E00177679 | no |
| Sonchus saudensis Boulos | Yemen | Wood, J.R.I. | 2404 | E | N/A | E00177674 | yes |
| Sonchus palustris L. | Azerbaijan | Rechinger, K.H. | 49632 | E | N/A | E00177680 | yes |
| Sonchus dregeanus DC. | South Africa | Hilliard, O.M. & Burtt, B.L. | 12450 | E | N/A | E00177682 | no |
| Sonchus friesii Boulos | South Africa | Hilliard, O.M. & Burtt, B.L. | 5643 | E | N/A | E00177681 | no |
| Sonchus oleraceus (L.) L. | United Arab Emirates | Western, R.A. | 790 | E | N/A | E00177730 | yes |
| Sonchus lachnocephalus Rech.f. | Afghanistan | Rechinger, K.H. | 34372 | E | N/A | E00177672 | yes |
| Sonchus arvensis L. | Greece | Edmondson, John R. & McClintock, Mary A.S. | 2576 | E | N/A | E00214557 | yes |
| Sonchus oleraceus L. | Panama | Gerrit Davidse & W.G. D'Arcy | 10355 | MO | Tropicos | 1790437 | no |
| Sonchus asper (L.) Hill | United States | Pruski | 3757a | MO | Tropicos | 1787296 | no |
| Sonchus oleraceus L. | Unknown or unspecified country | Robert Merrill King & Robert M. Garvey | 12054 | MO | Tropicos | 1791956 | no |
| Sonchus oleraceus L. | Brazil | Gerrit Davidse | 10493 | MO | Tropicos | 1791950 | yes |
| Sonchus oleraceus L. | Unknown or unspecified country | Robert Merrill King & Robert M. Garvey | 12080 | MO | Tropicos | 1792031 | no |
| Sonchus asper (L.) Hill | Ecuador | A. Gentry | 11989 | MO | Tropicos | 1800376 | no |
| Sonchus L. | Ecuador | Carmen Ulloa, Peter Jørgensen & Danilo Minga | 1353 | MO | Tropicos | 1809713 | no |
| Sonchus L. | Tajikistan | James C. Solomon, Ihsan Al-Shehbaz & Dovut Navruzshoev | 21668 | MO | Tropicos | 1848740 | no |
| Sonchus oleraceus L. | Nicaragua | D.A. Neill | 2136 | MO | Tropicos | 1883311 | no |
| Sonchus oleraceus L. | Panama | E.L. Tyson | 5788 | MO | Tropicos | 1887906 | no |
| Sonchus L. | Bolivia, Plurinational State of | Israel G. Vargas C., Emigdia Galvis & Ezequiel Chávez | 4696 | MO | Tropicos | 1722852 | no |
| Sonchus L. | Bolivia, Plurinational State of | Israel G. Vargas C., Emigdia Galvis & Ezequiel Chávez | 4693 | MO | Tropicos | 1722842 | no |
| Sonchus L. | Bolivia, Plurinational State of | Israel G. Vargas C., Marcelino Rioja | 4616 | MO | Tropicos | 1722879 | no |
| Sonchus L. | Bolivia, Plurinational State of | Israel G. Vargas C., Hugo Cossio C. | 4680 | MO | Tropicos | 1722871 | no |
| Sonchus oleraceus L. | Ecuador | Carlos E. Cerón & Nelson Gallo | 19616 | MO | Tropicos | 1744763 | no |
| Sonchus oleraceus L. | Ecuador | Carlos E. Cerón & Nelson Gallo | 19621 | MO | Tropicos | 1744787 | no |
| Sonchus asper (L.) Hill | Nicaragua | F.C. Seymour | 2076 | MO | Tropicos | 1773306 | no |
| Sonchus arvensis L. | United States | Robert Merrill King & Robert M. Garvey | 11600 | MO | Tropicos | 1724828 | no |
| Sonchus oleraceus L. | Ecuador | Carlos E. Cerón | 15258 | MO | Tropicos | 1706880 | no |
| Sonchus oleraceus L. | Ecuador | Carlos E. Cerón | 15305 | MO | Tropicos | 1707243 | no |
| Sonchus tenerrimus L. | Turkey | Robert Merrill King & Robert M. Garvey | 11137 | MO | Tropicos | 1731491 | no |
| Sonchus oleraceus L. | United States | Robert Merrill King & Robert M. Garvey | 11405 | MO | Tropicos | 1731749 | no |
| Sonchus asper (L.) Hill | United States | Robert Merrill King & Robert M. Garvey | 11906 | MO | Tropicos | 1731903 | no |
| Sonchus asper (L.) Hill | United States | Robert Merrill King & Robert M. Garvey | 11747 | MO | Tropicos | 1731939 | no |
| Sonchus L. | Bolivia, Plurinational State of | Israel G. Vargas C., Felix Aguilar | 4835 | MO | Tropicos | 1722860 | no |
| Sonchus asper (L.) Hill | Tanzania, United Republic of | G. Simon & I. Loi | 868 | MO | Tropicos | 1727484 | no |
| Sonchus tenerrimus L. | Spain | Robert Merrill King & Robert M. Garvey | 11234 | MO | Tropicos | 1727586 | no |
| Sonchus oleraceus L. | Tanzania, United Republic of | G. Simon, E. Mringo & R. Julius | 1038 | MO | Tropicos | 1729370 | no |
| Sonchus arvensis L. | United States | Robert Merrill King & Robert M. Garvey | 11580 | MO | Tropicos | 1726651 | no |
| Sonchus tenerrimus L. | Spain | Robert Merrill King & Robert M. Garvey | 11238 | MO | Tropicos | 1726833 | no |
| Sonchus asper (L.) Hill | Tanzania, United Republic of | G. Simon, I. Loi & Y. Raphael | 951 | MO | Tropicos | 1728696 | no |
| Sonchus oleraceus L. | Ecuador | Carlos E. Cerón | 17386 | MO | Tropicos | 1753049 | no |
| Sonchus oleraceus L. | Ecuador | Carlos E. Cerón | 17651 | MO | Tropicos | 1754747 | no |
| Sonchus oleraceus L. | United States | Peter H. Raven | 28318 | MO | Tropicos | 1746627 | no |
| Sonchus oleraceus L. | Guatemala | Juan José Castillo & Armin Castillo | 2878 | MO | Tropicos | 1703885 | no |
| Sonchus oleraceus L. | Panama | Barry E. Hammel, W.G. D'Arcy, E.C. Hill, S. Schwartz, O. Wolcott & H. Wolcott | 6632 | MO | Tropicos | 1705250 | no |
| Sonchus transcaspicus Nevski | Turkmenistan | Djumumarad Kurbanov | 1144 | MO | Tropicos | 1698118 | no |
| Sonchus transcaspicus Nevski | Turkmenistan | Djumumarad Kurbanov | 1145 | MO | Tropicos | 1698117 | no |
| Sonchus oleraceus L. | Mexico | D. Alvarez M. | 268 | MO | Tropicos | 1711272 | no |
| Sonchus oleraceus L. | Ecuador | Carlos E. Cerón & Myriam Reina | 19344 | MO | Tropicos | 1734328 | no |
| Sonchus oleraceus L. | Ecuador | Carlos E. Cerón | 16400 | MO | Tropicos | 1734849 | no |
| Sonchus oleraceus L. | United States | Robert Merrill King & Robert M. Garvey | 12013 | MO | Tropicos | 1732026 | no |
| Sonchus arvensis L. | United States | Robert Merrill King & Robert M. Garvey | 11887 | MO | Tropicos | 1732108 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | Moraes | 327 | MO | Tropicos | 1761327 | no |
| Sonchus oleraceus L. | Ecuador | Carlos E. Cerón & Myriam Reyna | 18908 | MO | Tropicos | 1762135 | no |
| Sonchus oleraceus L. | Ecuador | Carlos E. Cerón & Myriam Reyna | 18931 | MO | Tropicos | 1762308 | no |
| Sonchus oleraceus L. | Nicaragua | A.D. Moore | 2116 | MO | Tropicos | 1773393 | no |
| Sonchus oleraceus L. | Nicaragua | H. Zelaya M. | 2328 | MO | Tropicos | 1773804 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | M. Nee | 38824 | MO | Tropicos | 1524931 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | M. Nee | 49972 | MO | Tropicos | 1524130 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | M. Nee | 35652 | MO | Tropicos | 1525925 | no |
| Sonchus oleraceus L. | United Kingdom | Hatton, T.J. | UMO 29429 | MO | Tropicos | 1602516 | no |
| Sonchus tenerrimus L. | France | Mouillefarine, Edmond | UMO 111062 | MO | Tropicos | 1602636 | no |
| Sonchus oleraceus L. | Ecuador | Carlos Ceron | 14694 | MO | Tropicos | 1601415 | no |
| Sonchus arvensis uliginosus (M. Bieb.) Nyman | United States | Ryan, J. | 1356 | MO | Tropicos | 1650277 | no |
| Sonchus asper subsp. asper | United States | Dierker, William W. | 00128 | MO | Tropicos | 1654847 | no |
| Sonchus asper subsp. asper | United States | Mcvickers, J. | 01658 | MO | Tropicos | 1654873 | no |
| Sonchus asper subsp. asper | United States | Dierker, W.W. | 01568 | MO | Tropicos | 1654860 | no |
| Sonchus oleraceus L. | Tanzania, United Republic of | L. Festo | 1119 | MO | Tropicos | 1695319 | no |
| Sonchus oleraceus L. | Tanzania, United Republic of | J.A. Mlangwa & G. Masanyika | 535 | MO | Tropicos | 1515974 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | M. Nee | 37044 | MO | Tropicos | 1529548 | no |
| Sonchus L. | Bolivia, Plurinational State of | M. Nee | 45337 | MO | Tropicos | 1531834 | no |
| Sonchus oleraceus L. | Nicaragua | R.M. Rueda, L.D. Paguaga, N. Toval & J. Masís | 15862 | MO | Tropicos | 1561848 | no |
| Sonchus oleraceus L. | Nicaragua | R.M. Rueda, L.D. Paguaga, M. Garmendia, J. Masís & N. Toval | 16374 | MO | Tropicos | 1562640 | no |
| Sonchus L. | Tanzania, United Republic of | P.Kuchar | 24748 | MO | Tropicos | 1595458 | no |
| Sonchus L. | Tanzania, United Republic of | P.Kuchar | 24901 | MO | Tropicos | 1595641 | no |
| Sonchus L. | Tanzania, United Republic of | P.Kuchar | 24438 | MO | Tropicos | 1596259 | no |
| Sonchus bipontini Asch. | Tanzania, United Republic of | A. Ntemi Sallu | 402 | MO | Tropicos | 1516788 | no |
| Sonchus uliginosus M. Bieb. | United States | Gerrit Davidse | 1861 | MO | Tropicos | 1575145 | no |
| Sonchus asper subsp. asper | United States | Palmer, Ernest J. | 57711 | MO | Tropicos | 1620133 | no |
| Sonchus asper (L.) Hill | United States | Walker, R.L. | 330 | MO | Tropicos | 1625756 | no |
| Sonchus asper subsp. asper | United States | Bush, B.F. | UMO 5956 | MO | Tropicos | 1621235 | no |
| Sonchus oleraceus L. | United States | Bush, B.F. | UMO 5955 | MO | Tropicos | 1621468 | no |
| Sonchus oleraceus L. | United States | Bush, B.F. | UMO 5962 | MO | Tropicos | 1621944 | no |
| Sonchus L. | Viet Nam | D.K. Harder & et al. | 6786 | MO | Tropicos | 1559509 | no |
| Sonchus asper (L.) Hill | Peru | J. Campos, C. Díaz & T. Guevara. | 5381 a | MO | Tropicos | 1552735 | no |
| Sonchus oleraceus L. | Peru | J. Campos, C. Díaz & T. Guevara. | 5381 | MO | Tropicos | 1552734 | no |
| Sonchus asper subsp. asper | United States | Daniels, F.P. | s.n. | MO | Tropicos | 1676076 | no |
| Sonchus asper (L.) Hill | United States | Daniels, F.P. | UMO 29426 | MO | Tropicos | 1676538 | no |
| Sonchus arvensis var. arvensis | United States | Daniels, F.P. | UMO 29423 | MO | Tropicos | 1676753 | no |
| Sonchus oleraceus L. | United States | Dewey, Lyster H. | 306 | MO | Tropicos | 1675852 | no |
| Sonchus oleraceus L. | Tanzania, United Republic of | J.A. Mlangwa | 275 | MO | Tropicos | 1514747 | no |
| Sonchus asper (L.) Hill | United States | Marshall R. Crosby | 17846 | MO | Tropicos | 1571305 | no |
| Sonchus oleraceus L. | China | J. Salick, R. Moseley & H. Xie | 9482 | MO | Tropicos | 1584945 | no |
| Sonchus oleraceus L. | Nicaragua | R.M. Rueda, M. Garmendia & N. Toval | 14511 | MO | Tropicos | 1544163 | no |
| Sonchus oleraceus L. | Tanzania, United Republic of | B. Margwe | 19 | MO | Tropicos | 1549128 | no |
| Sonchus asper (L.) Hill | Tanzania, United Republic of | C.J. Kayombo & M. James | 3293 | MO | Tropicos | 1549200 | no |
| Sonchus oleraceus L. | Nicaragua | R.M. Rueda, M. Garmendia, N. Toval, A. Rivera, H. Mendoza & L.D. Paguaga | 15213 | MO | Tropicos | 1545444 | no |
| Sonchus asper (L.) Hill | Peru | S. Flores | 7 | MO | Tropicos | 1550891 | no |
| Sonchus asper (L.) Hill | Peru | S. Flores, J. Campos & L. Fernández | 204 | MO | Tropicos | 1551101 | no |
| Sonchus oleraceus L. | El Salvador | R. Villacorta & L. Lara | 2534 | MO | Tropicos | 1699673 | no |
| Sonchus transcaspicus Nevski | Turkmenistan | Djumumarad Kurbanov | 1517 | MO | Tropicos | 1703340 | no |
| Sonchus oleraceus L. | El Salvador | J.M. Rosales | JMR01180 | MO | Tropicos | 1698962 | no |
| Sonchus oleraceus L. | Costa Rica | R.L. Liesner | 4736 | MO | Tropicos | 1919890 | no |
| Sonchus schweinfurthii Oliv. & Hiern | Uganda | P.K. Rwaburindore | 4279 | MO | Tropicos | 1975610 | no |
| Sonchus oleraceus L. | United States | John Pruski | 3778 | MO | Tropicos | 1935056 | yes |
| Sonchus asper (L.) Hill | United States | John Pruski | 3779 | MO | Tropicos | 1935057 | yes |
| Sonchus oleraceus L. | Tanzania, United Republic of | C.J. Kayombo | 4066 | MO | Tropicos | 1933805 | no |
| Sonchus luxurians (R.E. Fr.) C. Jeffrey | Uganda | P.K. Rwaburindore | 4364 | MO | Tropicos | 1992198 | no |
| Sonchus oleraceus L. | Uganda | P.K. Rwaburindore | 4483 | MO | Tropicos | 1996092 | no |
| Sonchus luxurians (R.E. Fr.) C. Jeffrey | Uganda | P.K. Rwaburindore | 4410 | MO | Tropicos | 1995710 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | Thomas B. Croat | 51533 | MO | Tropicos | 1901971 | no |
| Sonchus oleraceus L. | Venezuela, Bolivarian Republic of | Ronald Liesner, Angel González & Robert Wingfield | 7644 | MO | Tropicos | 1902204 | no |
| Sonchus oleraceus L. | Venezuela, Bolivarian Republic of | Ronald Liesner, Angel González & Robert Wingfield | 7649 | MO | Tropicos | 1902220 | no |
| Sonchus oleraceus L. | Nicaragua | W.G. D'Arcy | 10482 | MO | Tropicos | 1898421 | no |
| Sonchus oleraceus L. | Honduras | Nichols, C. E. | 2047 | MO | Tropicos | 1889461 | no |
| Sonchus oleraceus L. | Ecuador | Jorge Ramos, J. Contreras, L. Ramos & R. Tigsu | 6418 | MO | Tropicos | 1931703 | no |
| Sonchus asper (L.) Hill | Ecuador | Jorge Ramos, J. Contreras, L. Ramos, A. Tigsu & R. Tigsu | 6189 | MO | Tropicos | 1931474 | no |
| Sonchus hierrensis (Pit.) Boulos | Spain | C.J. Pitard | 603 | MO | Tropicos | 2090237 | yes |
| Sonchus L. | Tanzania, United Republic of | H.L. McMillen, H. Bakari & Jestina | 24 | MO | Tropicos | 2124175 | no |
| Sonchus dregeanus DC. | Madagascar | Jean-Henri Humbert | 11822 | MO | Tropicos | 2212598 | no |
| Sonchus lactucoides Sch. Bip. ex A. Rich. | Ethiopia | Schimper | 1299 | MO | Tropicos | 2222760 | yes |
| Sonchus L. | Argentina | Piccinini, B., Leguizamón | 2077 | MO | Tropicos | 2246919 | no |
| Sonchus L. | Argentina | Piccinini, B., Arroyo, S. C. & Kiesling, R. | 2354 | MO | Tropicos | 2246940 | no |
| Sonchus asper (L.) Hill | Argentina | Anderson, D. L., Villamil & C. B. | 2868 | MO | Tropicos | 2246986 | no |
| Sonchus asper (L.) Hill | Argentina | Hunziker, A. T., Ariza Espinar, L. & Subils, R. | 21485 | MO | Tropicos | 2246963 | no |
| Sonchus oleraceus L. | Argentina | Hunziker, A. T., Di Fulvio & T. E. | 21383 | MO | Tropicos | 2247039 | no |
| Sonchus asper (L.) Hill | Argentina | Cocucci, A. A. | 2035 | MO | Tropicos | 2247007 | no |
| Sonchus oleraceus L. | Argentina | Piccinini, B., Leguizamón, - & Hilfer, J. | 2538 | MO | Tropicos | 2247102 | no |
| Sonchus oleraceus L. | Argentina | Troncoso, N. S. | 20602 | MO | Tropicos | 2247119 | no |
| Sonchus oleraceus L. | Argentina | Sayago, M. | 2125 | MO | Tropicos | 2247075 | no |
| Sonchus oleraceus L. | Argentina | Hunziker, A. T., Subils, R. & Münch, R. | 23851 | MO | Tropicos | 2247139 | no |
| Sonchus asper (L.) Hill | Argentina | Grüner, G. | 1192 | MO | Tropicos | 2198241 | no |
| Sonchus arvensis L. | Argentina | Ruíz Leal, R. A. | 10046 | MO | Tropicos | 2198210 | no |
| Sonchus asper (L.) Hill | Argentina | Hunziker, A. T. | 11199 | MO | Tropicos | 2198297 | no |
| Sonchus asper (L.) Hill | Argentina | Hunziker, A. T., Cocucci, A. E. | 15678 | MO | Tropicos | 2198267 | no |
| Sonchus asper (L.) Hill | Argentina | Steibel, P. | 1768 | MO | Tropicos | 2198350 | no |
| Sonchus asper (L.) Hill | Argentina | Hunziker, A. T. | 11149 | MO | Tropicos | 2198320 | no |
| Sonchus asper (L.) Hill | Argentina | Piccinini, B., García, A. L. | 1290 | MO | Tropicos | 2198413 | no |
| Sonchus asper (L.) Hill | Argentina | Guillén, R. | 166 | MO | Tropicos | 2198385 | no |
| Sonchus oleraceus L. | Argentina | Costa, C., Budini, I. | 109 | MO | Tropicos | 2198474 | no |
| Sonchus asper (L.) Hill | Argentina | Piccinini, B., Leguizamón, - | 1499 | MO | Tropicos | 2198440 | no |
| Sonchus oleraceus L. | Argentina | Hunziker, A. T., Villamil, C. B. | 19376 | MO | Tropicos | 2198451 | no |
| Sonchus oleraceus L. | Argentina | Piccinini, B., García, A. L. | 1626 | MO | Tropicos | 2198545 | no |
| Sonchus oleraceus L. | Argentina | Acosta, C. | 108 | MO | Tropicos | 2198511 | no |
| Sonchus oleraceus L. | Argentina | Hunziker, A. T., Cocucci, A. E. | 14595 | MO | Tropicos | 2198623 | no |
| Sonchus oleraceus L. | Argentina | Anderson, D. L. | 1327 | MO | Tropicos | 2198570 | no |
| Sonchus oleraceus L. | Argentina | Hunziker, A. T. | 11862 | MO | Tropicos | 2198596 | no |
| Sonchus oleraceus L. | Argentina | Hunziker, A. T. | 10386 | MO | Tropicos | 2198676 | no |
| Sonchus oleraceus L. | Argentina | Pire, S. M. | 1786 | MO | Tropicos | 2198649 | no |
| Sonchus tenerrimus L. | Argentina | Cocucci, A. A. | 1995 | MO | Tropicos | 2198702 | no |
| Sonchus L. | Peru | L. Valenzuela, G. Calatayud, I. Huamantupa | 1797 | MO | Tropicos | 2205484 | no |
| Sonchus asper (L.) Hill | Argentina | Schinini, A., Cuadrado, G. & Bertoni, O. | 31327 | MO | Tropicos | 2297258 | no |
| Sonchus oleraceus L. | Argentina | Vanni, R. O., Kurtz, D. B. & Glibota, C. S. | 3857 | MO | Tropicos | 2297326 | no |
| Sonchus oleraceus L. | Argentina | Fortunato, R. H. | 346 | MO | Tropicos | 2297305 | no |
| Sonchus oleraceus L. | Argentina | Hunziker, A. T. | 484 | MO | Tropicos | 2340590 | no |
| Sonchus oleraceus L. | Costa Rica | J.F. Pruski, G. Sancho & Alex Rodriguez | 3849 | MO | Tropicos | 2378867 | no |
| Sonchus oleraceus L. | Costa Rica | Erick Bello | 2983 | MO | Tropicos | 897515 | no |
| Sonchus oleraceus L. | Costa Rica | Zobeida Fuentes | 452 | MO | Tropicos | 898102 | no |
| Sonchus oleraceus L. | Costa Rica | Erick Bello | 4916 | MO | Tropicos | 899633 | no |
| Sonchus L. | Zambia | M.M. Nawa, D.K. Harder, B. Luwiika & N.B. Zimba | 116 | MO | Tropicos | 952794 | no |
| Sonchus asper (L.) Hill | Paraguay | Elsa Matilde Zardini & Leongino Guerrero | 41845 | MO | Tropicos | 954605 | no |
| Sonchus oleraceus L. | Ecuador | Walter Palacios | 11731 | MO | Tropicos | 802212 | no |
| Sonchus oleraceus L. | Nicaragua | E. McKearin | 74 | MO | Tropicos | 961619 | no |
| Sonchus asper (L.) Hill | United States | James C. Solomon | 1002 | MO | Tropicos | 960649 | no |
| Sonchus oleraceus L. | Paraguay | Elsa Matilde Zardini & Manuel Vera | 40380 | MO | Tropicos | 885025 | no |
| Sonchus oleraceus L. | Costa Rica | Barry Hammel | 19534 | MO | Tropicos | 894140 | no |
| Sonchus oleraceus L. | Costa Rica | William Haber | 10370 | MO | Tropicos | 891192 | no |
| Sonchus oleraceus L. | Paraguay | Elsa Matilde Zardini & Leongino Guerrero | 40489 | MO | Tropicos | 885191 | no |
| Sonchus oleraceus L. | Nicaragua | P.P. Moreno | 16759 | MO | Tropicos | 885605 | no |
| Sonchus oleraceus L. | Paraguay | Elsa Matilde Zardini & Leongino Guerrero | 40608 | MO | Tropicos | 885766 | no |
| Sonchus oleraceus L. | Costa Rica | J.F. Morales | 2951 | MO | Tropicos | 889345 | no |
| Sonchus oleraceus L. | Costa Rica | William Haber & Chris Ivey | 10208A | MO | Tropicos | 890886 | no |
| Sonchus asper (L.) Hill | Costa Rica | William Haber & Willow Zuchowski | 10208 | MO | Tropicos | 890888 | no |
| Sonchus oleraceus L. | Nicaragua | P.P. Moreno | 16895 | MO | Tropicos | 912667 | no |
| Sonchus oleraceus L. | Ecuador | H.G. Barclay | 8155 | MO | Tropicos | 1277087 | no |
| Sonchus dregeanus DC. | Madagascar | H. Humbert | 3667 | MO | Tropicos | 1276694 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens, A. Grijalva & M. Araquistain | 14539 | MO | Tropicos | 1273031 | no |
| Sonchus L. | Unknown or unspecified country | H.H. Schmidt, M. Merello & Sh. Shetekauri | 2942 | MO | Tropicos | 1328652 | no |
| Sonchus wallichianus DC. | Viet Nam | L. Averyanov et al. | VH686 | MO | Tropicos | 1331027 | no |
| Sonchus oleraceus L. | Mexico | M. Sousa & E. Cabrera | 11190 | MO | Tropicos | 1364302 | no |
| Sonchus oleraceus L. | Belize | John D. Dwyer | 10475 | MO | Tropicos | 1364301 | no |
| Sonchus oleraceus L. | Guatemala | Elias Contreras | 7357 | MO | Tropicos | 1364303 | no |
| Sonchus oleraceus L. | Costa Rica | Khan, Tebbs & Vickery | 22 | MO | Tropicos | 1364305 | no |
| Sonchus oleraceus L. | Panama | Thomas B. Croat | 22401 | MO | Tropicos | 1364308 | no |
| Sonchus oleraceus L. | Panama | Mireya D. Correa A., Robert L. Dressler, Noris Salazar A., Jorge A. Mendieta M., Francisco Farnum, Cristina Garibaldi E. & T. Belíz | 2765 | MO | Tropicos | 1364307 | no |
| Sonchus asper (L.) Hill | Mexico | Alush Méndez Ton (Alush Shilom Ton) | 4577 | MO | Tropicos | 1364293 | no |
| Sonchus oleraceus L. | El Salvador | J. González | 143 | MO | Tropicos | 1364296 | no |
| Sonchus oleraceus L. | Honduras | T.G. Yuncker, R.F. Dawson & H.R. Youse | 6390 | MO | Tropicos | 1364298 | no |
| Sonchus oleraceus L. | Mexico | G.F. Gaumer, M.D. | 1588 | MO | Tropicos | 1364299 | no |
| Sonchus asper (L.) Hill | Mexico | Thomas B. Croat | 40382 | MO | Tropicos | 1364343 | no |
| Sonchus oleraceus L. | Mexico | E. Ventura & E. López | 4516 | MO | Tropicos | 1364348 | no |
| Sonchus oleraceus L. | United States | James C. Solomon | 1353 | MO | Tropicos | 1373940 | no |
| Sonchus dregeanus DC. | Madagascar | H. Humbert | 19792 | MO | Tropicos | 1265334 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens & A. Grijalva P. | 16115 | MO | Tropicos | 1341003 | no |
| Sonchus oleraceus L. | Nicaragua | R.M. Rueda & W. Velásquez | 10768 | MO | Tropicos | 1336084 | no |
| Sonchus oleraceus L. | Nicaragua | R.M. Rueda & W. Velásquez | 10853 | MO | Tropicos | 1336171 | no |
| Sonchus oleraceus L. | Peru | Thomas B. Croat & Mary Sizemore | 82038 | MO | Tropicos | 1390607 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens & A. Grijalva P. | 16437 | MO | Tropicos | 1391839 | no |
| Sonchus schweinfurthii Oliv. & Hiern | Tanzania, United Republic of | G.T. Mwiga & C. Kayombo | 215 | MO | Tropicos | 1394384 | no |
| Sonchus oleraceus L. | Viet Nam | L. Averyanov et al. | VH3852 | MO | Tropicos | 1407377 | no |
| Sonchus brachyotus DC. | Viet Nam | L. Averyanov et al. | VH3866 | MO | Tropicos | 1407391 | no |
| Sonchus asper (L.) Hill | United States | James C. Solomon | 3880 | MO | Tropicos | 1407661 | no |
| Sonchus asper (L.) Hill | Bolivia, Plurinational State of | De la Barra | 724 | MO | Tropicos | 1395572 | no |
| Sonchus oleraceus L. | Bolivia, Plurinational State of | De la Barra | 752 | MO | Tropicos | 1395573 | no |
| Sonchus L. | China | Li Heng | 9121 | MO | Tropicos | 1402913 | no |
| Sonchus lingianus C. Shih | Viet Nam | P.K. Loc, P.H. Hoang & L. Averyanov | CBL1368 | MO | Tropicos | 1422723 | no |
| Sonchus schweinfurthii Oliv. & Hiern | Tanzania, United Republic of | G. Simon | 202 | MO | Tropicos | 1435427 | no |
| Sonchus schweinfurthii Oliv. & Hiern | Tanzania, United Republic of | G. Simon & I. Kuraru | 207 | MO | Tropicos | 1435442 | no |
| Sonchus lingianus C. Shih | Viet Nam | P.K. Loc, P.H. Hoang & L. Averyanov | CBL1712 | MO | Tropicos | 1428452 | no |
| Sonchus schweinfurthii Oliv. & Hiern | Tanzania, United Republic of | M.A. Mwangoka | 692 | MO | Tropicos | 1438427 | no |
| Sonchus oleraceus L. | United States | J. Stone & S. Bodine | 2851 | MO | Tropicos | 1437940 | no |
| Sonchus oleraceus L. | Tanzania, United Republic of | Y.S. Abeid | 698 | MO | Tropicos | 1452930 | no |
| Sonchus schweinfurthii Oliv. & Hiern | Tanzania, United Republic of | P. Metele | 77 | MO | Tropicos | 1482893 | no |
| Sonchus L. | Ecuador | Bibiana Cuamacás, E. & D. Gudiño | 625 | MO | Tropicos | 1485810 | no |
| Sonchus L. | Ecuador | Bibiana Cuamacás & E. Gudiño | 676 | MO | Tropicos | 1485860 | no |
| Sonchus oleraceus L. | Ecuador | Bibiana Cuamacás & E. Gudiño | 311 | MO | Tropicos | 1485998 | no |
| Sonchus L. | Ecuador | Bibiana Cuamacás & E. Gudiño | 287 | MO | Tropicos | 1485974 | no |
| Sonchus oleraceus L. | Nicaragua | R.M. Rueda, W. Velásquez & D. Cruz | 12657 | MO | Tropicos | 1494069 | no |
| Sonchus asper (L.) Hill | Nicaragua | R.M. Rueda, W. Velásquez, L.D. Paguaga & D. Cruz | 12878 | MO | Tropicos | 1494303 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens, A. Montiel J. & O.M. Montiel J. | 17673 | MO | Tropicos | 1495863 | no |
| Sonchus oleraceus L. | Nicaragua | W.D. Stevens, P.P. Moreno & T. Elmquist | 21323 | MO | Tropicos | 1502629 | no |