Penstemon rupicola
PNW
OR
WA
354 specimens from 20 herbaria:
Oregon (188)
Washington (166)
208 images from 19 herbaria:
BLMMD (2)
CIC (1)
COCC (2)
EWU (1)
HJAEF (1)
HJAEFB (1)
HPSU (6)
ID (15)
IDS (3)
MORA (8)
OSC (72)
PLU (11)
PSM (2)
REED (2)
SOC (13)
WCW (3)
WS (54)
WTU (9)
WWB (2)