Viburnum
opulus
var.
americanum
PNW
BC
ID
MT
WA
25 specimens from 7 herbaria:
British Columbia (16)
Idaho (2)
Montana (1)
Washington (6)
9 images from 6 herbaria:
ID (1)
MONTU (1)
SRP (1)
UBC (1)
WS (2)
WTU (3)
