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You are here: Home / Plants / Species Profiles / Medusahead
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Medusahead

Medusahead

Scientific name: Taeniatherum caput-medusae (L.) Nevski (ITIS)

Synonyms: Elymus caput-medusae L.; Taeniatherum asperum(Simonkai) Nevski; Hordeum caput-medusae (L.) Crosson & Durand (ITIS)

Common names: Medusahead, medusa's head, medusahead rye, medusahead grass

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Selected Resources

Native To: Mediterranean Region (Archer 2001)

Date of U.S. Introduction: First discovered in 1887 (DiTomaso et al. 2008)

Means of Introduction: Introduced as a seed contaminant (DiTomaso et al. 2008)

Impact: Crowds out native species and forage for livestock (Archer 2001)

Current U.S. Distribution:

Images:

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Council or Task Force

Invasive Plants of California's Wildlands - Taeniatherum caput-medusae
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: Medusahead (Jan 2014; PDF | 759 KB)
Alberta Invasive Plant 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

Partnership

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

Invasive Species Compendium - Taeniatherum caput-medusae
CAB International.

Federal Government

U.S. National Plant Germplasm System - Taeniatherum caput-medusae
USDA. ARS. National Genetic Resources Program. GRIN-Global.

Fire Effects Information System (FEIS) - Taeniatherum caput-medusae
USDA. FS. Rocky Mountain Research Station. Fire Sciences Laboratory.

PLANTS Database - Medusahead
USDA. NRCS. National Plant Data Center.

State Government

Encycloweedia: Data Sheet - Medusahead
California Department of Food and Agriculture.
See also: Included on California's noxious weed list; see Encycloweedia: Program Details for additional resources

Medusahead (PDF | 183 KB)
State of California. Plumas-Sierra Noxious Weeds Management Group.

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

Medusahead
Wisconsin Department of Natural Resources.

Academic

Medusahead
Washington State University. Whitman County Extension.

Professional

Noxious Weed Information - Medusahead (A List)
Colorado Weed Management Association.

Wallowa County Weed Watch: Medusahead Rye (PDF | 187 KB)
Wallowa Resources (Oregon).

Citations

Archer, A.J. 2001. Taeniatherum caput-medusae. In: Fire Effects Information System. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.

Integrated Taxonomic Information System. Taeniatherum caput-medusae. [Accessed Sep 10, 2014].

DiTomaso, J.M., G.B. Kyser, M.R. George, M.P. Doran, and E.A. Laca. 2008. Control of medusahead (Taeniatherum caput-medusae) using timely sheep grazing. Invasive Plant Science and Management 1(3):241-247.

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Last Modified: Dec 08, 2016
 
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