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' hawthorn
Distribution: Both sides of the Cascades, Alaska to California, east to Utah and Wyoming, and across the northern states to Michigan
Habitat: Moist to dry areas, lowlands to moderate elevations
Origin: Native
Flowers: May - June
Crataegus gaylussaciahuckleberry hawthorn, Suksdorf hawthorn, Suksdorf's hawthorn
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east to Montana and Idaho.
Habitat: Openings and forest margins at low to moderate elevations.
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
Origin: Introduced
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