| Name | Grindelia nana f. longisquama Steyermark |
| Authorship | Steyermark |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Grindelia nana Nuttall |
| GUID | urn:lsid:ipni.org:names:113561-2 |
| Citation | 1934 Ann. Missouri Bot. Gard. 21: 543 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Grindelia nana f. longisquama Steyermark |
| Identification made in | [no date] (3) |