Trichophorum alpinum (L.) Pers. [ Scirpus hudsonianus (Michx.) Fernald]
no HD illustration available (m1)
Trichophorum alpinum (L.) Pers. [ Eriophorum alpinum L.] [Cyperaceae]
Helen Sharp, Water-color Sketches Amer. Pl.: (1888-1910) [Helen Sharp]