Cerastium arvense ssp. strictum
PNW
AK
BC
ID
MT
OR
WA
YK
974 specimens from 19 herbaria:
Alaska (8)
British Columbia (293)
Idaho (30)
Montana (320)
Oregon (126)
Washington (190)
Yukon Territory (7)
165 images from 15 herbaria:
CIC-PYNF (2)
EVE (1)
HPSU (2)
ID (6)
IDS (2)
MONT (9)
MONTU (3)
NOCA (1)
RM (6)
SBLM (1)
SOC (16)
SRP (3)
UBC (25)
USFS (76)
WTU (12)