Spiraea douglasii var. douglasii
PNW
BC
ID
OR
WA
283 specimens from 17 herbaria:
British Columbia (11)
Idaho (5)
Oregon (138)
Washington (129)
234 images from 15 herbaria:
CIC (1)
CIC-PYNF (1)
HPSU (3)
ID (4)
NOCA (2)
OSC (84)
REED (1)
SOC (2)
SRP (4)
UBC (4)
UWB (1)
WCW (5)
WS (109)
WTU (9)
WWB (4)