Quercus
rubra
PNW
BC
ID
OR
WA
42 specimens from 9 herbaria:
British Columbia (9)
Idaho (9)
Oregon (14)
Washington (10)
21 images from 7 herbaria:
EWU (1)
HPSU (3)
ID (2)
OSC (2)
SRP (6)
UBC (2)
WTU (5)