World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew

Betula verrucosa Ehrh., Beitr. Naturk. Verw. Wiss. 5: 161 (1790).

This name is a synonym.

Homotypic Names:
Accepted Name:	Betula pendula subsp. pendula.
Family:	Betulaceae
Betula alba var. verrucosa (Ehrh.) M�rat, Nouv. Fl. Env. Paris: 371 (1812). Betula pubescens var. verrucosa (Ehrh.) Rchb., Fl. Germ. Excurs.: 174 (1831). Betula alba var. vulgaris Spach, Ann. Sci. Nat., Bot., s�r. 2, 15: 186 (1841), nom. illeg. Betula alba f. verrucosa (Ehrh.) Regel, M�m. Acad. Imp. Sci. Saint P�tersbourg, S�r. 7, 4(4): 135 (1861). Betula alba f. vulgaris Regel, M�m. Acad. Imp. Sci. Saint P�tersbourg, S�r. 7, 4(4): 135 (1861). Betula alba subsp. verrucosa (Ehrh.) Regel, Bull. Soc. Imp. Naturalistes Moscou 38(II): 397 (1865).
Original Compiler:	R.Govaerts