Penstemon humilis
PNW
ID
MT
OR
WA
1216 specimens from 26 herbaria:
Idaho (811)
Montana (25)
Oregon (331)
Washington (49)
515 images from 20 herbaria:
BBLM (8)
BBLM-OWY (1)
BLMVL (10)
BOIS (12)
CIC (104)
CIC-PYNF (4)
CIC-SHO (2)
CRMO (8)
EWU (1)
HPSU (2)
ID (184)
IDS (83)
MONTU (1)
PLU (1)
SBLM (1)
SOC (4)
SRP (75)
WCW (2)
WTU (7)
WWB (5)