| Berberis johnstonii Standl. & Steyerm. | Mexico | D.E. Breedlove | 53176 | MO | Tropicos | 1307472 | no |
| Berberis johnstonii Standl. & Steyerm. | Mexico | Faustino Miranda | 7728 | MO | Tropicos | 1741778 | no |
| Berberis johnstonii Standl. & Steyerm. | Mexico | Oswaldo Téllez V. & J.L. Villaseñor R. | 6595 | MO | Tropicos | 1741775 | no |
| Berberis johnstonii Standl. & Steyerm. | Mexico | E.J. Alexander | 1438 | MO | Tropicos | 1741812 | no |
| Berberis johnstonii Standl. & Steyerm. | Mexico | D.E. Breedlove | 42187 | MO | Tropicos | 1741808 | no |
| Berberis johnstonii Standl. & Steyerm. | Mexico | T.S. Cochrane , A. Vázquez G. & L. Hernández L. | 12247 | MO | Tropicos | 1741858 | no |
| Berberis johnstonii Standl. & Steyerm. | Guatemala | J.R. Johnston | 1525 | MO | Tropicos | 1705100 | yes |
| Berberis johnstonii Standl. & Steyerm. | Nicaragua | P.C. Standley | 10483 | MO | Tropicos | 1705147 | no |
| Berberis johnstonii Standl. & Steyerm. | Mexico | D.E. Breedlove | 11208 | MO | Tropicos | 1705133 | no |
| Berberis johnstonii Standl. & Steyerm. | Guatemala | Paul C. Standley | 59895 | MO | Tropicos | 1705160 | no |
| Berberis johnstonii Standl. & Steyerm. | Guatemala | Paul C. Standley | 69801 | MO | Tropicos | 1705161 | no |
| Berberis johnstonii Standl. & Steyerm. | Guatemala | Paul C. Standley | 91201 | MO | Tropicos | 1705157 | no |
| Berberis johnstonii Standl. & Steyerm. | Guatemala | Julian A. Steyermark | 42706 | MO | Tropicos | 1705326 | no |
| Berberis johnstonii Standl. & Steyerm. | Mexico | D.E. Breedlove & F. Almeda | 47828 | MO | Tropicos | 1600226 | no |
| Berberis johnstonii Standl. & Steyerm. | Mexico | D.E. Breedlove | 51633 | MO | Tropicos | 1600228 | no |
| Berberis johnstonii Standl. & Steyerm. | Mexico | D.E. Breedlove | 41000 | MO | Tropicos | 1600223 | no |
| Berberis johnstonii Standl. & Steyerm. | Mexico | E.H. Xolocotzi & A.J. Sharp | X-575 | MO | Tropicos | 2369980 | no |