Lactuca biennis (Moench) Fernald [ Lactuca spicata var. integrifolia (Torrey & A. Gray) Britton]
      
no HD illustration available (m3)
58 580670 Lactuca biennis (Moench) Fernald [116 960399 Sonchus biennis Moench] Compositae
Helen Sharp, Water-color Sketches Amer. Pl.: (1888-1910) [Helen Sharp]