| Name | Euphorbia fendleri var. dissimilis Payson |
| Authorship | Payson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia fendleri Torrey & A. Gray |
| GUID | urn:lsid:ipni.org:names:101527-2 |
| Citation | 1915 Bot. Gaz. 60: 379 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia fendleri var. dissimilis Payson |
| Identification made in | [no date] (2) |