Quercus rubra
PNW
BC
ID
OR
WA
40 specimens from 9 herbaria:
British Columbia (9)
Idaho (8)
Oregon (14)
Washington (9)
17 images from 6 herbaria:
EWU (1)
HPSU (2)
ID (2)
SRP (6)
UBC (2)
WTU (4)