Populus tremuloides Michx.

NEW YORK BOTANICAL GARDEN
02471154
ARNOLD ARBORETUM, HARVARD UNIVERSITY
EXPEDITION TO LAKE ATHABASKA, 1935
No. 6217
Open woods at camp
Chariot Pt., L. Athabaska, Sask., about 59°36/ N., 109° 13' W.
Populus treimiloides Michx.
Coll. Hugh M. Raup
02471154