Poa trivialis
PNW
AK
BC
ID
MT
OR
WA
332 specimens from 33 herbaria:
Alaska (13)
British Columbia (70)
Idaho (23)
Montana (12)
Oregon (108)
Washington (105)
128 images from 26 herbaria:
BBLM-OWY (1)
BLMMD (1)
BOIS (2)
CIC (4)
COCC (6)
EWU (4)
HPSU (8)
ID (7)
IDS (2)
MONT (3)
MONTU (5)
MORA (1)
NOCA (4)
OSC (8)
PLU (9)
PSM (4)
REED (3)
SAJH (4)
SOC (7)
SRP (12)
UBC (5)
UWB (2)
WCW (1)
WS (1)
WTU (12)
WWB (12)