| Name | Grindelia squarrosa var. serrulata (Rydberg) Steyermark |
| Authorship | (Rydberg) Steyermark |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Grindelia squarrosa (Pursh) Dunal |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Grindelia squarrosa var. serrulata (Rydberg) Steyermark |
| Identification made in | 1933 (1) |
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