Distribution: Occurring east of the Cascades crest in Washington in northern Washington; southern British Columbia to northern Washington, east to northern Idaho.
Habitat: Mesic thickets, riparian zones, and shorelines.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Crataegus okanaganensis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Crataegus okanaganensis checklist entry
OregonFlora: Crataegus okanaganensis information
E-Flora BC: Crataegus okanaganensis atlas page
CalPhotos: Crataegus okanaganensis photos