Viburnum
opulus
var.
opulus
PNW
BC
ID
MT
OR
WA
74 specimens from 10 herbaria:
British Columbia (16)
Idaho (4)
Montana (12)
Oregon (20)
Washington (22)
35 images from 8 herbaria:
HPSU (5)
ID (1)
MONTU (11)
OSC (6)
SRP (3)
UBC (4)
UWB (2)
WTU (3)