Distribution: Occurring east of the Cascades crest in north-central Washington; southern British Columbia to northern Washington, also in Montana but not known from Idaho.
Habitat: Floodplains, open forests, and thickets.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Sensitive in Washington (WANHP)
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PNW Herbaria: Specimen records of Crataegus phippsii in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Crataegus phippsii checklist entry.
OregonFlora: Crataegus phippsii information.
E-Flora BC: Crataegus phippsii atlas page.
CalPhotos: Crataegus phippsii photos.
USDA Plants: Crataegus phippsii information.