| Name | Euphorbia huanchahana subsp. penazuelensis Croizat |
| Authorship | Croizat |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia huanchahana Boissier |
| GUID | urn:lsid:ipni.org:names:101665-2 |
| Citation | 1943 J. Arnold Arbor. 24: 179 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Euphorbia huanchahana subsp. penazuelensis Croizat |
| Identification made in | [no date] (1) |