Catalpa bignonioides
PNW
BC
ID
OR
WA
35 specimens from 8 herbaria:
British Columbia (1)
Idaho (10)
Oregon (9)
Washington (15)
17 images from 7 herbaria:
CIC (5)
ID (1)
OSC (1)
SOC (2)
SRP (3)
WS (1)
WTU (4)