| Name | Potentilla modesta Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| Placed in | Potentilla |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Potentilla modesta Rydberg |
| Identification made in | [no date] (2) |
| Name | Potentilla modesta Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| Placed in | Potentilla |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Potentilla modesta Rydberg |
| Identification made in | [no date] (2) |