Machaeranthera gymnocephala (DC.) Shinners [ Aster gymnocephalus (DC.) A. Gray]
      
no HD illustration available (m3)
5 630902 Machaeranthera gymnocephala (DC.) Shinners [125 153663 Brachyactis gymnocephala Rupr.] Compositae
W. Curtis, Bot. Mag., vol. 107 [ser. 3, vol. 37]: t. 6549 (1881) [M. Smith]