| Name | Grindelia arizonica var. microphylla Steyermark |
| Authorship | Steyermark |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Grindelia arizonica A. Gray |
| GUID | urn:lsid:ipni.org:names:113490-2 |
| Citation | 1934 Ann. Missouri Bot. Gard. 21: 508 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Grindelia arizonica var. microphylla Steyermark |
| Identification made in | 1933 (1), 1985 (1) |