CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.
CCDB → Angiosperms → Berberidaceae → Plagiorhegma
| Taxon name | Status | Median (n) |
| Plagiorhegma dubium Maxim. | Accepted | 6 |
| Jeffersonia dubia (Maxim.) Benth. & Hook. ex Baker & Moore | Synonym of Plagiorhegma dubium Maxim. | 6 |