Linaceae
Flax Family
2 genera
5 species
1 subspecies and varieties
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Linum lewisiiwild blue flax
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of western North America.
Habitat: Dry, open areas from prairies to alpine ridges.
Origin: Native
Flowers: May-July
var. lewisii – wild blue flax
Linum perenneblue garden flax
Origin: Introduced
Linum rigidumyellow flax, large-flowered yellow flax
Origin: Native
Linum usitatissimumlinseed
Origin: Introduced
Flowers: June - November
Sclerolinon digynumnorthwestern yellow-flax
Distribution: East of the Cascades in Washington; Washington south to the Sierra Nevada of California, east to Idaho.
Habitat: Meadows and prairies at low to moderate elevations.
Origin: Native
Flowers: May-July