Persicaria bistorta (L.) Samp. [ Polygonum bistorta L.]
no HD illustration available (m1)
Persicaria bistorta (L.) Samp. [ Polygonum bistorta L.] [Polygonaceae]
J.W. Weinmann, Phytanthoza iconogr., vol. 1 : t. 245, fig. c (1737) [unsigned]