Alnus acuminata subsp. glabrata (Fernald) Furlow Alnus acuminata subsp. glabrata (Fernald) Furlow in Ann. Missouri Bot. Gard. 63(2): 381. 1977 ["1976"] sec. Fonseca 2011=Alnus glabrata Fernald in Proc. Amer. Acad. Arts 40: 26. 1904 syn. sec. The Plant List 2013