Crataegus
haw, hawthorn, thornapple
14 species
1 subspecies and varieties
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Crataegus castlegarensisCastlegar hawthorn
Origin: Native
Crataegus chrysocarpafireberry hawthorn
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to the Atlantic.
Habitat: Thickets, dry slopes, shrub-steppe, riparian zones, open forests.
Origin: Native
Flowers: May-June
Crataegus ×cogswelliiOregon hybrid hawthorn
Origin: Introduced
Crataegus douglasiiblack hawthorn, Douglas's hawthorn
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Saskatchewan, Idaho and Montana, also in the Great Lakes region.
Habitat: Thickets, open forests, forest edges, and riparian zones, from lowlands to middle elevations.
Origin: Native
Flowers: May-June
Crataegus gaylussaciahuckleberry hawthorn, Suksdorf's hawthorn
Distribution: Occurring on both sides of the Cascades crest in Washington; disjunct in southeast Alaska, otherwise southern British Columbia to California, east to Montana.
Habitat: Thickets, grasslands, riparian zones, shores, and meadows, from lowl to middle elevations in the mountains.
Origin: Native
Flowers: April-June
Crataegus laevigatamidland hawthorn, woodland hawthorn
Origin: Introduced from northern Europe
Crataegus macracanthalarge-thorned hawthorn, western large-thorned hawthorn
Origin: Native
Crataegus monogynaEnglish hawthorn, one-seed hawthorn
Distribution: 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.
Habitat: Roadsides, fields, pastures, meadows, thickets, and forest edge and understory at low elevations, often associated with disturbance. Seeds readily dispersed by birds.
Origin: Introduced from Europe
Flowers: April-June
var. monogyna – common hawthorn, English hawthorn, one-seeded hawthorn
Crataegus okanaganensisOkanagan hawthorn
Origin: Native
Crataegus okennoniiO'Kennon's hawthorn
Origin: Native
Crataegus phaenopyrumWashington thorn
Origin: Introduced
Crataegus phippsiiPhipps\\\' hawthorn
Origin: Native
Crataegus sanguinea
Origin: Introduced
Crataegus tenuior
Origin: Native