| Name | Dryas drummondii var. tomentosa (Farr) L. O. Williams |
| Authorship | (Farr) L. O. Williams |
| Rank | Variety |
| Placed in | Dryas drummondii Richardson ex Hooker |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Dryas drummondii var. tomentosa (Farr) L. O. Williams |
| Identification made in | [no date] (7), 1947 (3) |
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