Physocarpus capitatus
PNW
AK
BC
ID
OR
WA
539 specimens from 26 herbaria:
Alaska (7)
British Columbia (55)
Idaho (91)
Oregon (224)
Washington (162)
402 images from 22 herbaria:
BOIS (1)
CIC (1)
COCC (6)
EVE (2)
HJAEFB (1)
HPSU (21)
ID (64)
LEA (2)
NOCA (3)
OSC (101)
PLU (9)
PSM (6)
REED (2)
SOC (20)
SRP (29)
UAAH (3)
UBC (12)
UWB (4)
WCW (2)
WS (4)
WTU (92)
WWB (17)