Synonyms
Grindelia angustifolia Kunth
Grindelia speciosa Gillies ex Hook. & Arn.
Grindelia squarrosa var. quasiperennis Lunell
Grindelia perennis A.Nelson
Thuraria herbacea Nutt.
Aurelia amplexicaulis Cass.
Grindelia serrulata Rydb.
Grindelia squarrosa var. serrulata (Rydb.) Steyerm.
Grindelia squarrosa f. pseudopinnatifida (D.Löve & J.-P.Bernard) Adr.Bartoli & Tortosa
Grindelia arguta A.Gray
Donia squarrosa Pursh
Hysterionica squarrosa Baill.
Grindelia squarrosa f. depressa Unknown author
Aurelia squarrosa (Dunal) Cass. ex Steud.
Grindelia perennis f. pseudopinnatifida D.Löve & J.-P.Bernard
Grindelia pinnatifida Wooton & Standl.