Helianthus debilis Nutt. [ Helianthus cucumerifolius Torrey & A. Gray]
      
no HD illustration available (m3)
12 500880 Helianthus debilis Nutt. [80 500873 Helianthus cucumerifolius Torrey & A. Gray] Compositae
Addisonia, vol. 16 : t. 535 (1931) [M.E. Eaton]