Penstemon
glandulosus
PNW
ID
OR
WA
336 specimens from 20 herbaria:
Idaho (131)
Oregon (75)
Washington (130)
187 images from 18 herbaria:
BBLM (2)
BLMVL (2)
BOIS (3)
CIC (19)
CIC-PYNF (2)
COCC (1)
EWU (3)
HPSU (2)
ID (49)
IDS (7)
LEA (1)
NEZ (4)
OSC (26)
PSM (2)
SRP (8)
WS (42)
WTU (13)
WWB (1)