Trifolium pratense
PNW
AK
BC
ID
MT
OR
WA
YK
683 specimens from 37 herbaria:
Alaska (34)
British Columbia (39)
Idaho (184)
Montana (143)
Oregon (116)
Washington (164)
Yukon Territory (3)
379 images from 32 herbaria:
ALA (22)
BBLM (1)
BLMVL (1)
BOIS (2)
CIC (23)
CIC-PYNF (2)
EWU (3)
HJAEF (1)
HJAEFB (1)
HPSU (15)
ID (51)
IDE (17)
IDS (13)
LINF (4)
MONT (17)
MONTU (30)
NOCA (4)
PLU (11)
PSM (5)
REED (5)
RM (36)
SBLM (1)
SOC (9)
SRP (25)
UAAH (9)
UBC (10)
USFS (9)
UWB (2)
WCW (14)
WSTC (1)
WTU (22)
WWB (13)