Persicaria arifolia (L.) Haraldson [ Polygonum arifolium L.]
no HD illustration available (m1)
Persicaria arifolia (L.) Haraldson [ Polygonum arifolium L.] [Polygonaceae]
T. Meehan, Native Fl. Ferns U.S., vol. 2 : p. 153, t. 39 (1878-1879)