Quercus robur
PNW
BC
ID
OR
WA
67 specimens from 11 herbaria:
British Columbia (13)
Idaho (11)
Oregon (30)
Washington (13)
39 images from 9 herbaria:
CIC (1)
HPSU (6)
ID (3)
IDS (4)
NOCA (3)
OSC (6)
SRP (4)
UBC (3)
WTU (9)