Trichostema oblongum
PNW
BC
ID
OR
WA
84 specimens from 13 herbaria:
British Columbia (3)
Idaho (2)
Oregon (53)
Washington (26)
43 images from 12 herbaria:
COCC (1)
EWU (2)
ID (4)
IDS (1)
NOCA (1)
OSC (19)
REED (1)
SOC (6)
SRP (1)
UBC (4)
WS (1)
WTU (2)