| Name | Pterocaulon serrulatum var. velutinum Guillaumin |
| Authorship | Guillaumin |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Pterocaulon serrulatum Guillaumin |
| GUID | urn:lsid:ipni.org:names:85485-3 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Pterocaulon serrulatum var. velutinum Guillaumin |
| Identification made in | [no date] (3), 2011 (1) |