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Montana Field Guide

Montana Field Guides

Broad-glumed Brome - Bromus latiglumis

Status Under Review
Undetermined Origin

Global Rank: G5
State Rank: SU

Agency Status
MNPS Threat Rank:

External Links

General Description
Cespitose perennials 55-130(-160) cm tall. Culms mostly glabrous, internodes usually 10 or more. Blades 10-30 cm long, 3.5-11(-13) mm wide, glabrous to scabrous or (rarely) sparsely appressed-pubescent; sheaths glabrous to densely retrorse-pilose; auricles present and conspicuous (unless broken off); ligules mostly less than 1.5 mm long, often pubescent. Panicle 10-24 cm long, open, the branches spreading to ascending, somewhat flexuous. Spikelets 5-10(-12)-flowered, 15-33 mm long, 4-9 mm wide. Glumes and lemmas usually hairy. First glume mostly 5-7 mm long, 1-nerved; second glume mostly 6.5-9 mm long, 3-nerved; lowest lemma 8.5-11 mm long, awned 1-5 mm; anthers 1.5-2.8 mm long (adapted from: Sutherland, 1986, in Flora of the Great Plains).

Range Comments
Northern Great Plains from AB and ND east to QB and ME, south KS, TN and NC (Kartesz in prep. 2012).

Observations in Montana Natural Heritage Program Database
Number of Observations: 1

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Moist woods (op. cit., Flora of the Great Plains).

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Citation for data on this website:
Broad-glumed Brome — Bromus latiglumis.  Montana Field Guide.  .  Retrieved on , from