Distribution: Known only from the San Juan Islands in Washington.
Origin: Introduced from northern Europe
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Crataegus laevigata in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Crataegus laevigata checklist entry.
OregonFlora: Crataegus laevigata information.
E-Flora BC: Crataegus laevigata atlas page.
CalPhotos: Crataegus laevigata photos.
USDA Plants: Crataegus laevigata information.