Persicaria pensylvanica (L.) M. Gómez [ Polygonum pensylvanicum L.]
no HD illustration available (m1)
Persicaria pensylvanica (L.) M. Gómez [ Polygonum pensylvanicum L.] [Polygonaceae]
Helen Sharp, Water-color Sketches Amer. Pl.: (1888-1910) [Helen Sharp]