Penstemon davidsonii var. menziesii
PNW
BC
ID
MT
OR
WA
284 specimens from 19 herbaria:
British Columbia (32)
Idaho (1)
Montana (5)
Oregon (22)
Washington (223)
145 images from 15 herbaria:
CIC (1)
EWU (3)
HPSU (4)
ID (15)
IDS (3)
MORA (5)
NOCA (13)
OSC (2)
PLU (10)
REED (2)
SRP (1)
UBC (15)
WCW (4)
WTU (55)
WWB (12)