. "Betula alba subsp. pubescens" . . . _:b75900558 "5331653" . "Betula alba subsp. pubescens (Ehrh.) Regel, 1865" . "(Ehrh.) Regel, 1865" . . . "Betula alba subsp. pubescens" . _:b75900558 . _:b76535936 . _:b76535936 . _:b76535936 "WFO (World Flora Online) id" . "wfo-0000330752" . "5331653" . _:b75900558 "GBIF id" . . _:b75900558 . "1025296" . _:b76535936 . _:b76535936 "wfo-0000330752" . . . _:b75900558 . .