Fagaceae
Beech Family
3 genera
6 species
2 subspecies and varieties
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Castanea sativaEuropean chestnut, Spanish chestnut, sweet chestnut
Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; also occurring in scattered states in eastern North America.
Habitat: Disturbed forest, thickets, and forest openings at low elevations, where escaping from cultivation.
Origin: Introduced from Europe
Flowers: April-June
Chrysolepis chrysophyllagiant chinquapin, golden chinquapin
Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; Mason County, Washington to California.
Habitat: Dry, open to wooded areas, from sea level to middle elevations in the mountains.
Origin: Native
Flowers: April-June
var. chrysophylla – giant chinquapin, golden chinquapin
Quercus garryanaGarry oak, Oregon white oak
Distribution: Occurring on both sides of the Cascades crest and east in the Columbia River Gorge in Washington; Vancouver Island, British Columbia to California.
Habitat: Prairies, meadows, balds, rocky bluffs, and related open areas mostly at low elevations.
Origin: Native
Flowers: April-June
var. garryana – Garry oak, Oregon white oak
Quercus palustris
Origin: Introduced
Quercus roburBritish oak, English oak
Origin: Introduced from Europe/Africa
Quercus rubrared oak
Origin: Introduced from central and eastern NA