xx Betula humilis Schrank [ Betula fruticans Pallas]
no HD illustration available (m2)

Betula humilisSchrank [Betula fruticans Pallas] [Betulaceae]
P.S. von Pallas, Reise Russ. Reich., vol. 3(2): : t. 38Kk, fig. 2 (1776)