Little Combseed, Little Gruvelia, Little Pectocarya: Gruvelia pusilla (Synonym: Pectocarya pusilla) -
Shortleaf Combseed, Sleeping Combseed, Winged Combseed: Pectocarya penicillata (Synonyms: Cynoglossum penicillatum, Pectocarya linearis, Pectocarya linearis var. penicillata) -
Bristly Combseed, Moth Combseed, Round-nut Pectocarya, Stiff-stemmed Comb-bur: Pectocarya setosa