The Flax Family in the Cascade Mountains of Oregon and Washington

Common Dwarf Flax, Little White Flax, Small-flowered Dwarf Flax, Small-flowered Western Flax, Small-flowered White Flax, : Hesperolinon micranthum (Synonym: Linum micranthum) -

Narrow-leaved Flax, Pale Flax: Linum bienne (Synonym: Linum angustifolium) -

Lewis' Blue Flax, Prairie Flax, Western Blue Flax, Wild Blue Flax: Linum lewisii var. lewisii (Synonym: Linum perenne ssp. lewisii, Linum perenne var. lewisii) - Native. Flowers largely the same, with the styles typically equal to or slightly longer than the stamens.

Blue Garden Flax, Perennial Flax: Linum perenne (Synonym: Linum perenne var. perenne) - Eurasian ornamental flower or garden escape. Flowers of two types, including those with styles longer than stamens, and others with stamens longer than styles

Common Flax, Flaxseed, Linseed: Linum usitatissimum

Digynum Flax, Northwestern Yellow-flax, Yellow Hard Flax: Sclerolinon digynum (Synonym: Linum digynum)