DCHP-1 Online
spotted alder 
the speckled alder, Alnus rugosa, common in wet areas from Saskatchewan to Nova Scotia.
See also: swamp alder (def. 1)
- 1817 (1897) [The following trees are found near Ancaster, Upper Canada] . . . swamp oak . . . black and spotted alder. . . .
- 1829 In the marshes, alder, spotted alder, willow shrub, and a variety of thorn appear. . . .
- 1963 . . . there were thickets of mountain maple, hazel, and spotted alder.
- 1817 (1897) [The following trees are found near Ancaster, Upper Canada] . . . swamp oak . . . black and spotted alder. . . .