Vascular Plants - Poaceae - Bromus:
Bromus vulgaris
Page Authors: Don Knoke, David Giblin
Columbia brome 
Blooms: June-August
Habit: herb
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south along the coast to northern California, east to Alberta, Montana and Wyoming.
Habitat: Shaded to open woods or moist to dry banks, from near sea level to mountain meadows and dry, rocky slopes at 6000' elevation.
Species Description:

General: Non-rhizomatous perennial, the culms 6-10 dm. tall, usually pubescent at the nodes.
Leaves: Sheaths closed, often with a few long hairs at the throat; ligules 2-3 mm. long; blades lax, flat, 5-10 mm. broad.
Flowers: Inflorescence an open panicle 10-18 cm. long, the slender branches drooping; spikelets 5- to 7-flowered, 20-28 mm. long; first glume 5-8 mm. long, 1-nerved, the second 7-10 mm. long, 3-nerved; lemmas pubescent along the marginal nerves but glabrous toward the tip, 8-13 mm. long, with awns 3-8 mm. long from the bifid apex; anthers exerted.
Accepted Name:
Bromus vulgaris (Hook.) Shear
Synonyms:
Bromopsis vulgaris (Hook.) Holub
Bromus vulgaris (Hook.) Shear var. robustus Shear
Bromus vulgaris (Hook.) Shear var. vulgaris

Treated in Flora of the PNW as:
Bromus vulgaris vars.
Additional Resources:

PNW Herbaria Specimens: View list of all Bromus vulgaris specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Bromus vulgaris specimens in the WTU Herbarium database.

Washington Flora Checklist: Bromus vulgaris treatment.

E-Flora BC: Bromus vulgaris atlas page.

CalPhotos: Bromus vulgaris images.

USDA Plants Database: Bromus vulgaris.
Additional photographs of Bromus vulgaris:
(click on a thumbnail to view larger photo)

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old

Susan McDougall, 2015

Susan McDougall, 2015

G. D. Carr, 2015

G. D. Carr, 2015

G. D. Carr, 2015

G. D. Carr, 2015

G. D. Carr, 2015

G. D. Carr, 2015

G. D. Carr, 2015

G. D. Carr, 2015

G. D. Carr, 2015

Craig Althen, 2011

Craig Althen, 2011

Craig Althen, 2011
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Washington Native Plant Society
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