Bromus vulgaris (Hook.) Shear
Columbia brome
Poaceae (Grass family)

Introduction to Vascular Plants


© Adolf Ceska     (Photo ID #13412)


E-Flora BC Static Map

Distribution of Bromus vulgaris
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Species Information

Perennial grass from fibrous roots, sometimes rooting at the lower nodes; stems usually hairy at the nodes, 60-100 (120) cm tall.
Sheaths strongly soft-hairy to smooth, but often with a few long hairs at the throats; blades 5-10 (15) mm wide, flat, lax, smooth to soft-hairy on either or both surfaces; ear-shaped lobes lacking at the leaf-bases; ligules smooth to hairy, finely to coarsely jagged, (2) 3-5 mm long.
Inflorescence a somewhat compact panicle, 10-18 (20) cm long, the branches slender, often drooping; spikelets (3-) 5- to 7- (10-) flowered, slightly if at all compressed, (15) 20-28 mm long; glumes smooth or rough on the nerves or keels, the lower ones 1-nerved but sometimes obscurely to plainly 3-nerved, 5-8 mm long, the upper ones 3-nerved (or obscurely 5-nerved), 7-10 mm long; lemmas hairy along the marginal nerves and sometimes over the lower halves but more or less smooth towards the tips, rounded on the backs, 8-13 mm long, shallowly bidentate, awned, the awns (3) 5-10 mm long; anthers 3-5 mm long, exserted.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

USDA Species Characteristics

Flower Colour:
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Brown
Present from Spring to Summer
Source:  The USDA


Ecological Framework for Bromus vulgaris

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres)
1037 2 2178
Slope Gradient (%)
20 0 190

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

183 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 1 8
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in

BWBS(19), CDF(103), CWH(242), ESSF(376), ICH(427), IDF(98), IMA(1), MH(2), MS(124), PP(5), SBPS(11), SBS(253), SWB(6)

Habitat and Range

Moist to mesic meadows, thickets, streambanks, rocky slopes and open forests in the lowland and subalpine zones; common on S Vancouver Island and the Gulf Islands, infrequent in S and C BC; E to AB and S to WY, UT, ID and CA.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Bromopsis vulgaris (Hook.) Holub
Bromus eximius
Bromus vulgaris var. eximius Shear
Bromus vulgaris var. robustus Shear
Bromus vulgaris var. vulgaris