Distribution: Occurring west of the Cascades crest in lowland western Washington; Washington to Oregon, and also in eastern North America where native.
Habitat: Grasslands, shores, and damp thickets.
Flowers: May-July
Origin: Introduced from eastern North America
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Crataegus phaenopyrum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Crataegus phaenopyrum checklist entry
OregonFlora: Crataegus phaenopyrum information
E-Flora BC: Crataegus phaenopyrum atlas page
CalPhotos: Crataegus phaenopyrum photos