Calystegia sepium (L.) R. Br. [ Convolvulus sepium L.]
no HD illustration available (m1)
Calystegia sepium (L.) R. Br. [ Calystegia sepium (L.) R. Br.] [Convolvulaceae]
J. Sturm, J.W. Sturm, Deutschl. Fl., vol. 1 (Heft 1-4): t. 13] (1796)