| Name | Potentilla effusa var. rupincola (Osterhout) Th. Wolf |
| Authorship | (Osterhout) Th. Wolf |
| Rank | Variety |
| Placed in | Potentilla effusa Douglas ex Lehmann |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Potentilla effusa var. rupincola (Osterhout) Th. Wolf |
| Identification made in | [no date] (1), 1980 (2) |