PLANTS Profile Logo View the USDA Website View the NRCS Website View the PLANTS Home Page
Taeniatherum caput-medusae (L.) Nevski
medusahead
Symbol: TACA8
Group: Monocot
Family: Poaceae
Growth Habit: Graminoid
Duration: Annual
U.S. Nativity: Introduced
Click on the image below to enlarge it and download a high-resolution TIFF file.
Click on this Line drawing of Taeniatherum caput-medusae (medusahead) to enlarge it and download a high-resolution TIFF file Elymus caput-medusae

Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Misc. Publ. No. 200. Washington, DC. 1950. Usage Guidelines.

Printer-Friendly Profile of Taeniatherum caput-medusae Printer-Friendly Version

Classification Distribution Images Invasive Links More Info Noxious Related Taxa Synonyms Wetland
Plant Synonyms:
TACA8 Taeniatherum caput-medusae (L.) Nevski
 

ELCA13

Elymus caput-medusae L.
 

TAAS2

Taeniatherum asperum auct. non (Simonkai) Nevski
 

TACRC

Taeniatherum crinitum (Schreb.) Nevski var. caput-medusae (L.) Wipff
More Information
About medusahead

Link to plant Classification report for Taeniatherum caput-medusae

Plant source and reference for Taeniatherum caput-medusae

« Back to Top »

State Distributional Map for TACA8
© Image generated using gd 1.8
Plant Distribution by State

Taeniatherum caput-medusae (L.) Nevski

TACA8

See county distributions for the following states by clicking on them below or on the map.

CA
California
Connecticut
Idaho
Nevada
New York
Oregon
Pennsylvania
Utah
Washington

«Back to Top»
California distribution information
Related Taxa:
Taeniatherum caput-medusae (L.) Nevski

View 270 genera in Poaceae, 1 species in Taeniatherum

«Back to Top»
Classification:
Taeniatherum caput-medusae (L.) Nevski

Click on a scientific name below to expand it in the PLANTS Classification Report.
   
    Kingdom Plantae – Plants
       Subkingdom Tracheobionta – Vascular plants
          Superdivision Spermatophyta – Seed plants
             Division Magnoliophyta – Flowering plants
                Class Liliopsida – Monocotyledons
                   Subclass Commelinidae –
                      Order Cyperales –
                         Family Poaceae – Grass family
                            Genus Taeniatherum Nevski – medusahead
                               Species Taeniatherum caput-medusae (L.) Nevski – medusahead

«Back to Top»
Noxious Weed Information:
Taeniatherum caput-medusae (L.) Nevski
This plant is listed by the U. S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location.
California:
        medusahead     C list (noxious weeds)
Colorado:
        medusahead rye     Noxious weed
Nevada:
        medusahead     Noxious weed
Oregon:
        medusahead rye     "B" designated weed
        medusahead rye     Quarantine
Utah:
        medusahead     Noxious weed

«Back to Top»
Invasive Information:
Taeniatherum caput-medusae (L.) Nevski
        medusahead rye
        medusahead
This plant is considered invasive by the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each invasive plant list, or click here for a composite list of Invasive Plants of the U.S.
STATE   Assorted authors. 200_. State Noxious Weed Lists for 45 States. State agriculture or natural resource departments.
 
CalEPPC   California Exotic Pest Plant Council. 1999. Exotic Plant Pest List (http://www.cal-ipc.org/1999_cal-ipc_list/, October 19, 1999). California Exotic Pest Plant Council. California.
 
SWSS   Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society. Champaign, Illinois..
 
WSWS   Whitson, T.D. (Ed.) et al.. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.. 630pp.
 

«Back to Top»
Introduced Information:
Taeniatherum caput-medusae (L.) Nevski
This plant is introduced to the United States from another country or countries. Click on link below for a partial or complete list of U.S. introduced plants.

List of Invasive PlantsScientific Name = A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all
List of Invasive PlantsCommon Name = A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all
Note: The complete introduced plant report is 1.4 MB. Download and display times may take 3 to 12 minutes depending on your internet connection, internet traffic, your computer and browser. It may appear your computer has locked up. Task manager may report that Netscape is 'Not Responding'. Typically, Netscape is formatting the report for display, and if you are patient, the final report will appear.

«Back to Top»
Other Species Accounts and Images:
Taeniatherum caput-medusae (L.) Nevski

View species account from USDA Forest Service Fire Effects Information System (FEIS).
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 42203.

«Back to Top»
Related Web Sites:
Taeniatherum caput-medusae (L.) Nevski

    CA-Noxious Weed Photographic Gallery (CDFA)
    California Rangelands: Medusahead Fact Sheet
    NV-Extension Weed Wanted Posters
    The Nature Conservancy: Wildland Weeds Management & Research Program
    UT-DOT Unwanted Weeds (images & abstracts)
    UT-Utah's 17 Most Noxious Weeds

«Back to Top»
Intellectual Property StatementIntellectual Property Statement / How to Cite the PLANTS Database
DisclaimersDisclaimers

The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, gender, religion, age, disability, political beliefs, sexual orientation, and marital or family status. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD).

To file a complaint of discrimination, write USDA, Director, Office of Civil Rights, Room 326-W, Whitten Building, 14th and Independence Avenue, SW, Washington, D.C. 20250-9410 or call (202) 720-5964 (voice or TDD). USDA is an equal opportunity provider and employer.