Origin: Introduced
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Catalpa speciosa in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Catalpa speciosa checklist entry.
E-Flora BC: Catalpa speciosa atlas page.
CalPhotos: Catalpa speciosa photos.
USDA Plants: Catalpa speciosa information.