Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; Alaska to California, east across much of North America to the Atlantic Coast.
Habitat: Old fields, wasteland, roadsides, and other disturbed areas where escaped from cultivation.
Flowers: May-June
Origin: Introduced from Eurasia
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Wind
Annual, the culms smooth, 8-12 dm. tall.
Sheaths open, smooth; auricles well-developed; ligules 0.5-1 mm. long; blades 10-15 mm. broad.
Inflorescence a stout spike; spikelets 3 per node, 1-flowered, all sessile and fertile; glumes narrow, usually awned; lemmas usually with awns 10-15 cm. long, but sometimes unawned and 3-lobed at the tip.
Publication: Sp. Pl. 1: 84. 1753.
Hordeum distichon L.
Hordeum hexastichum L.
Hordeum vulgare L. var. trifurcatum (Schltdl.) Alef.
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ssp. vulgare – common barley
Occurring in scattered locations on both sides of the Cascades crest in Washington; Alaska to California, east across much of North America to the Atlantic Coast.
PNW Herbaria: Specimen records of Hordeum vulgare in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Hordeum vulgare checklist entry
OregonFlora: Hordeum vulgare information
E-Flora BC: Hordeum vulgare atlas page
CalPhotos: Hordeum vulgare photos
