DCHP-1 Online
gray birch 
a small species of birch, Betula populifolia, native to the Maritimes, southern Quebec and eastern Ontario.
See also: wire birch
- 1823 Natural forest trees are elm, cherry; white, black, yellow, and gray birch. . . .
- 1956 Wire Birch Betula populifolia [also called] Grey birch. . . .
- 1823 Natural forest trees are elm, cherry; white, black, yellow, and gray birch. . . .