| Name | Eriogonum effusum var. leptophyllum Torrey |
| Authorship | Torrey |
| Rank | Variety |
| Placed in | Eriogonum effusum Nuttall |
| Citation | 1853 Rep. Exped. Zuni & Colorado Rivers 168 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Eriogonum effusum var. leptophyllum Torrey |
| Identification made in | [no date] (1), 1992 (1) |