| Name | Eriogonum umbellatum subsp. polyanthum (Bentham) S. Stokes |
| Authorship | (Bentham) S. Stokes |
| Rank | Subspecies |
| Placed in | Eriogonum umbellatum Torrey |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Eriogonum umbellatum subsp. polyanthum (Bentham) S. Stokes |
| Identification made in | [no date] (8), 1942 (2) |