Betula ×utahensis
PNW
AK
BC
ID
OR
WA
107 specimens from 11 herbaria:
Alaska (8)
British Columbia (39)
Idaho (37)
Oregon (9)
Washington (14)
42 images from 9 herbaria:
CIC-PYNF (1)
HPSU (2)
ID (23)
IDS (5)
OSC (1)
SRP (7)
UBC (1)
WS (1)
WTU (1)