Penstemon albertinus
PNW
BC
ID
MT
OR
WA
616 specimens from 23 herbaria:
British Columbia (30)
Idaho (196)
Montana (388)
Oregon (1)
Washington (1)
316 images from 17 herbaria:
BABY (1)
BBLM (2)
BLMVL (1)
BOIS (1)
CIC (11)
CIC-PYNF (1)
EWU (1)
ID (58)
IDS (15)
LEA (2)
MONT (44)
MONTU (155)
SRP (15)
UBC (5)
WCW (1)
WTU (2)
WWB (1)