Penstemon fruticosus
PNW
BC
ID
MT
OR
WA
1645 specimens from 30 herbaria:
British Columbia (112)
Idaho (638)
Montana (154)
Oregon (264)
Washington (477)
563 images from 25 herbaria:
BBLM (4)
BBLM-OWY (4)
BLMVL (2)
BOIS (5)
CIC (64)
CIC-PYNF (3)
EWU (27)
HJAEFB (1)
HPSU (10)
ID (192)
IDS (40)
LEA (1)
MONT (27)
MONTU (29)
NOCA (7)
PLU (8)
PSM (11)
REED (4)
RM (11)
SRP (53)
UBC (18)
USFS (1)
WCW (11)
WTU (24)
WWB (6)