Children (11 direct children, 11 direct and indirect children):
Grindelia squarrosa var. quasiperennis
Grindelia squarrosa var. serrulata
Grindelia squarrosa var. hirtella
Grindelia squarrosa var. squarrosa
Grindelia squarrosa f. angustior
Grindelia squarrosa f. depressa
Grindelia squarrosa var. nuda
Grindelia squarrosa var. eligulata
Grindelia squarrosa f. pseudopinnatifida
Grindelia squarrosa var. grandiflora
Grindelia squarrosa var. integrifolia