| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | Guatemala | M. Véliz & J.C. Rosito | MV99.7019 | MO | Tropicos | 2870913 | no |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | Mexico | Thomas B. Croat | 47294 | MO | Tropicos | 2765464 | no |
| Critoniadelphus microdon (B.L. Rob.) R.M. King & H. Rob. | Guatemala | Brenda García, Ernesto Carrillo & M. Véliz | 96.5406 | MO | Tropicos | 2842455 | no |
| Critoniadelphus microdon (B.L. Rob.) R.M. King & H. Rob. | Guatemala | B. García & M. Véliz | 96.5423 | MO | Tropicos | 2843103 | no |
| Critoniadelphus microdon (B.L. Rob.) R.M. King & H. Rob. | Guatemala | Brenda García, Ernesto Carrillo & M. Véliz | 96.5406 | MO | Tropicos | 2843434 | no |
| Critoniadelphus microdon (B.L. Rob.) R.M. King & H. Rob. | Guatemala | B. García & M. Véliz | 96.5423 | MO | Tropicos | 2844062 | no |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | El Salvador | Gerrit Davidse, Alex Monro, Karen Sidwell, Hector Matínez & Carlos Salazar | 37270 | MO | Tropicos | 1254836 | no |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | Guatemala | K.T. Hartweg | 587 | MO | Tropicos | 3587360 | no |
| Critoniadelphus microdon (B.L. Rob.) R.M. King & H. Rob. | Guatemala | | II 2261 | MO | Tropicos | 100675586 | no |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | Guatemala | | 3710 | MO | Tropicos | 100682249 | no |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | El Salvador | | 1072 | MO | Tropicos | 100682250 | no |
| Critoniadelphus microdon (B.L. Rob.) R.M. King & H. Rob. | Mexico | | 9765 | MO | Tropicos | 100682247 | no |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | Mexico | | 669 | MO | Tropicos | 100682248 | no |
| Critoniadelphus nubigenus (Benth.) K. & R. | Mexico | T. P. Ramamoorthy; Con M. Souza y P. Basurto | 1381 | RB | RB | RB00398798 | yes |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | Guatemala | Hartweg, Karl Theodor | 587 | E | N/A | E00433197 | yes |
| Critoniadelphus microdon (B. L. Rob.) R. M. King & H. Rob. | Guatemala | Türckheim,H. von, Türckheim,H. von 2261 | 2261 | W | Herbarium W | 1909-0009833 | yes |
| Critoniadelphus nubigenus (Benth.) R.M.King & H.Rob. | Unknown or unspecified country | Hartweg | 587 | K | Herbarium | K000486864 | yes |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | Honduras | Thomas B. Croat & Dylan P. Hannon | 64007 | MO | Tropicos | 591512 | no |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | Mexico | Alonso Méndez Ton & Maria Concepcion Mtz. de Lopez | 9737 | MO | Tropicos | 1703232 | no |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | Mexico | Alonso Méndez Ton & Maria Concepcion Mtz. de Lopez | 9654 | MO | Tropicos | 1703278 | no |
| Critoniadelphus microdon (B.L.Rob.) R.M.King & H.Rob. | Mexico | D. E. Breedlove | 9758 | NY | N/A | 367583 | no |
| Critoniadelphus nubigenus (Benth.) R.M. King & H. Rob. | Mexico | D.E. Breedlove & F. Almeda | 58169 | MO | Tropicos | 1355732 | no |