Penstemon humilis
PNW
ID
MT
OR
WA
1226 specimens from 26 herbaria:
Idaho (838)
Montana (19)
Oregon (368)
Washington (1)
696 images from 24 herbaria:
BBLM (8)
BBLM-OWY (1)
BLMVL (10)
BOIS (12)
CIC (102)
CIC-PYNF (4)
CIC-SHO (2)
COCC (18)
CRMO (8)
HPSU (3)
ID (192)
IDS (96)
IFBLM (3)
MONTU (1)
NEZ (5)
OSC (120)
SBLM (1)
SOC (3)
SRP (90)
TFBLM (1)
WCW (2)
WS (4)
WTU (5)
WWB (5)