Synonyms
Eriocarpum phyllocephalum Greene
Eriocarpum rubiginosum var. phyllocephalum A.Heller
Sideranthus phyllocephalus Small
Sideranthus megacephalus Small
Haplopappus phyllocephalus subsp. typicus H.M.Hall
Aster phyllocephalus Kuntze
Haplopappus rubiginosus var. phyllocephalus (DC.) A.Gray
Machaeranthera phyllocephala (DC.) Shinners
Haplopappus phyllocephalus subsp. megacephalus H.M.Hall
Haplopappus megacephalus Hitchc.
Haplopappus phyllocephalus var. megacephalus (Nash) Waterf.
Machaeranthera phyllocephala var. megacephala (Nash) Shinners
Haplopappus phyllocephalus var. genuinus S.F.Blake
Eriocarpum megacephalum Nash
Haplopappus phyllocephalus DC.