Convolvulus arvensis
PNW
BC
ID
MT
OR
WA
680 specimens from 34 herbaria:
British Columbia (48)
Idaho (199)
Montana (123)
Oregon (164)
Washington (146)
349 images from 29 herbaria:
BBLM (4)
BOIS (2)
CIC (30)
CIC-PYNF (1)
CIC-SHO (1)
CRMO (4)
EWU (9)
HPSU (14)
ID (51)
IDE (16)
IDS (25)
LINF (1)
MONT (45)
MONTU (26)
NOCA (3)
PLU (5)
PNNL (1)
PSM (4)
REED (4)
RM (15)
SOC (13)
SRP (26)
UBC (3)
USFS (4)
VALE (3)
WCW (17)
WSTC (1)
WTU (14)
WWB (7)