Synonyms
Actinella richardsonii var. floribunda A.Gray
Actinea richardsonii var. floribunda (A.Gray) Cory
Picradenia floribunda Greene
Picradenia floribunda subsp. utilis Cockerell
Hymenoxys floribunda Cockerell
Hymenoxys olivacea Cockerell
Picradenia richardsonii subsp. floribunda (A.Gray) W.A.Weber
Hymenoxys floribunda subsp. utilis Cockerell
Hymenoxys floribunda var. intermedia Cockerell
Hymenoxys floribunda var. arizonica Cockerell