Penstemon attenuatus
PNW
BC
ID
MT
OR
WA
2091 specimens from 30 herbaria:
British Columbia (1)
Idaho (1241)
Montana (398)
Oregon (253)
Washington (198)
902 images from 25 herbaria:
BBLM (1)
BLMVL (2)
BOIS (25)
CIC (87)
CIC-PYNF (9)
CIC-SHO (1)
CRMO (6)
EWU (5)
HPSU (2)
ID (318)
IDE (2)
IDS (63)
LEA (1)
MONT (49)
MONTU (94)
NOCA (2)
PLU (1)
PSM (3)
RM (27)
SOC (1)
SRP (153)
USFS (1)
WCW (12)
WTU (29)
WWB (8)