Hordeum
barley
7 species
7 subspecies and varieties
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Hordeum brachyantherummeadow barley
Distribution: Alaska south to California, east to Montana and Colorado.
Habitat: Ocean beaches to mountain meadows,usually where moist, but also from dry sagebrush desert to rocky ridges.
Origin: Native
Flowers: June - August
ssp. brachyantherum – meadow barley
Hordeum depressumdwarf barley
Distribution: Introduced from Vancouver Island, British Columbia, south on both sides of the Cascades to southern California, east to western Idaho.
Habitat: A weed of waste areas, especially where moist.
Origin: Native
Flowers: April - June
Hordeum jubatumfoxtail barley
Distribution: Alaska south on both sides of the Cascades to California, east across Canada to the Atlantic Coast, south to Mexico.
Habitat: Common weed of dry to moist soil, from sagebrush desert to grasslands and mountain forests, often abundent in disturbed areas.
Origin: Native
Flowers: June - August
ssp. jubatum – foxtail barley
Hordeum marinumMediterranean barley
Origin: Introduced
ssp. gussoneanum – Mediterranean barley
Hordeum murinummouse barley, smooth barley, wall barley
Distribution: Uncommon weed in the United States, occasional in southern British Columbia and western Washington.
Habitat: Disturbed soil and wasteland.
Origin: Introduced
Flowers: June - July
ssp. glaucum – mouse barley
ssp. leporinum – mouse barley
ssp. murinum – mouse barley
Hordeum pusillumlittle barley
Distribution: Eastern Washington south to southern California, east to the Atlantic Coast.
Habitat: Grasslands to desert areas, often on saline soils and wasteland.
Origin: Native
Flowers: April - June
Hordeum vulgarebarley
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; widely distributed throughout North America.
Habitat: Old fields, wasteland, roadsides, and other disturbed areas where escaped from cultivation.
Origin: Introduced
Flowers: May-June
ssp. vulgare – common barley