Penstemon flavescens
PNW
ID
MT
OR
WA
156 specimens from 12 herbaria:
Idaho (93)
Montana (53)
Oregon (8)
Washington (2)
78 images from 10 herbaria:
ID (23)
IDS (3)
LEA (1)
MONT (4)
MONTU (30)
NEZ (1)
PLU (1)
SRP (9)
WS (2)
WTU (4)