Trichostema oblongum
PNW
BC
ID
OR
WA
80 specimens from 11 herbaria:
British Columbia (3)
Idaho (2)
Oregon (50)
Washington (25)
21 images from 8 herbaria:
EWU (2)
ID (4)
IDS (1)
NOCA (1)
REED (1)
SOC (6)
UBC (4)
WTU (2)