Castilleja ambigua
PNW
BC
OR
WA
142 specimens from 12 herbaria:
British Columbia (20)
Oregon (86)
Washington (36)
110 images from 9 herbaria:
HPSU (6)
ID (5)
OSC (44)
PSM (6)
SRP (2)
UBC (4)
WCW (2)
WS (11)
WTU (30)