– English hawthorn, one-seed hawthorn
Occurring chiefly west of the Cascades crest in Washington; southern British Columbia to California, east to Montana, also in the Great Lakes region and eastern North America.
Roadsides, fields, pastures, meadows, thickets, and forest edge and understory at low elevations, often associated with disturbance. Seeds readily dispersed by birds.
Introduced from Europe
– common hawthorn, English hawthorn, one-seeded hawthorn