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You are here: Home / Plants / Species Profiles / Downy Brome
Species Profiles

Downy Brome

Downy bromeScientific name: Bromus tectorum L. (ITIS)

Common names: Downy brome, bronco grass, downy chess, drooping brome, June grass, early chess, military chess, cheatgrass

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Selected Resources

Native To: Eurasia (University of Connecticut 2009)

Date of U.S. Introduction: 1800s (University of Connecticut 2009)

Means of Introduction: Introduced accidentally through contaminated shipments (University of Connecticut 2009)

Impact: Crowds out native grasses (Mosley et al. 1999); creates wildfire hazards (Colorado State Parks 2005)

Current U.S. Distribution:



Selected Resources:

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Council or Task Force

Invasive Plants of California's Wildlands - Bromus tectorum
California Invasive Plant Council.
In online book: Bossard, C.C., J.M. Randall, and M.C. Hoshovsky (Editors). 2000. Invasive Plants of California's Wildlands. University of California Press. Berkeley, CA

Fact Sheet: Downy Brome (Jan 2014; PDF | 737 KB)
Alberta Invasive Species Council (Canada).
See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act


Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Cheatgrass (Feb 7, 2011; PDF | 164 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives).

Invasive Plant Atlas of New England (IPANE) - Cheatgrass
University of Georgia. Center for Invasive Species and Ecosystem Health.

Invasive Plant Atlas of the United States - Cheatgrass
University of Georgia. Center for Invasive Species and Ecosystem Health.

Texas Invasives Database - Bromus tectorum

Invasive Species Compendium - Bromus tectorum
CAB International.

Global Invasive Species Database - Bromus tectorum (grass)
IUCN. Species Survival Commission. Invasive Species Specialist Group.

Federal Government

U.S. National Plant Germplasm System - Bromus tectorum
USDA. ARS. National Genetic Resources Program. GRIN-Global.

Fire Effects Information System (FEIS) - Bromus tectorum
USDA. FS. Rocky Mountain Research Station. Fire Sciences Laboratory.

PLANTS Database - Cheatgrass
USDA. NRCS. National Plant Data Center.
See also: Plant Guide - Cheatgrass (PDF | 110 KB)

International Government

Problem Weeds: A Cattlemen's Guide - Downy Brome
Saskatchewan Ministry of Agriculture (Canada).

State Government

Noxious Weed Species - Downy Brome
Colorado Department of Agriculture. Conservation Services Division. Noxious Weed Program.

Invasive Plants in Pennsylvania: Cheatgrass and Poverty Brome (PDF | 903 KB)
Pennsylvania Department of Conservation and Natural Resources.

See also: Invasive Plant Fact Sheets for plant species (trees, shrubs, vines, herbs and aquatic plants) that have impacted the state's natural lands


MontGuide - Cheatgrass: Identification, Biology, and Integrated Management (2012)
Montana State University Extension.

Downy Brome Control
University of Nebraska - Lincoln. Cooperative Extension.

A Homeowner's Guide to Cheatgrass (PDF | 126 KB)
University of Nevada - Reno. Cooperative Extension.
See also: Agriculture Publications for more fact sheets

Range Plants of Utah - Cheatgrass
Utah State University. Extension.

Cheatgrass Management Handbook: Managing an Invasive Annual Grass in the Rocky Mountain Region (Aug 2013)
University of Wyoming; Colorado State University.



Colorado State Parks. 2005. Downy Brome (Cheatgrass) - Best Management Practices - Weed Profile (PDF | 214 KB).

Integrated Taxonomic Information System. Bromus tectorum. [Accessed Mar 16, 2015].

Mosely, J.C., S.C. Bunting, and M.E. Monoukian. 1999. Cheatgrass. In: R.L. Sheley and J.K. Petrof (Eds.), Biology and Management of Noxious Rangeland Weeds. Corvallis, OR: Oregon State University Press.

University of Connecticut. 2009. Cheatgrass. Invasive Plant Atlas of New England.

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Last Modified: Aug 25, 2018
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