Calamagrostis tweedyi
PNW
ID
MT
OR
WA
55 specimens from 16 herbaria:
Idaho (6)
Montana (32)
Oregon (1)
Washington (16)
31 images from 10 herbaria:
BLMMD (1)
BOIS (1)
CIC-PYNF (1)
ID (13)
IDS (1)
MONT (1)
MONTU (10)
NOCA (1)
SRP (1)
WWB (1)