Taxon: Taeniatherum caput-medusae (L.) Nevski

A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:

CA*, CO*°, HI°, NV*, OR*, UT*°, WY°.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Link to species profile at

See also subordinate taxa:

• Taeniatherum caput-medusae subsp. asperum (5 accessions)
• Taeniatherum caput-medusae subsp. caput-medusae (4 accessions)
• Taeniatherum caput-medusae subsp. crinitum (31 accessions)

Common names:

• Medusa's-head   (Source: State Noxweed Seed ) – English   [Taeniatherum caput-medusae subsp. asperum]
  
• Medusa's-head   (Source: Websters Dict ) – English
  
• Medusa's-head   (Source: Websters Dict ) – English   [Taeniatherum caput-medusae subsp. caput-medusae]
  
• medusahead-rye   (Source: Intermt F ) – English
  
• medusahead-rye   (Source: Intermt F ) – English   [Taeniatherum caput-medusae subsp. asperum]
  
• medusahead-rye   (Source: State Noxweed Seed ) – English   [Taeniatherum caput-medusae subsp. caput-medusae]
  
• centeio-silvestre-cabeça-de-Medusa   (Source: D. Groth, p.c. 2005) – Portuguese (Brazil)
  
• medusagräs   (Source: Vara kulturvaxt namn ) – Swedish
  

Economic importance:

• Weed: potential seed contaminant   (fide Econ Pl Aust; State Noxweed Seed)
  

Distributional range:

• AFRICA
  Northern Africa: Algeria [n.]; Egypt [n.]; Libya [n.?]; Morocco; Tunisia
• ASIA-TEMPERATE
  Western Asia: Afghanistan; Cyprus; Iran; Iraq; Israel; Jordan; Lebanon; Syria; Turkey
  Caucasus: Armenia; Azerbaijan; Georgia; Russian Federation - Dagestan
  Middle Asia: Kazakhstan [s.e.]; Kyrgyzstan; Tajikistan; Turkmenistan; Uzbekistan
• ASIA-TROPICAL
  Indian Subcontinent: Pakistan - Baluchistan
• EUROPE
  Middle Europe: Hungary
  East Europe: Ukraine [s. & Krym]
  Southeastern Europe: Albania; Bulgaria; Croatia; Greece; Italy [incl. Sardinia, Sicily]; Macedonia; Romania; Serbia
  Southwestern Europe: France [s.]; Portugal; Spain

• AUSTRALASIA
  Australia: Australia [s.]
• NORTHERN AMERICA
  United States [w.]
• SOUTHERN AMERICA
  Southern South America: Chile

References:

• Aldén, B., S. Ryman & M. Hjertson. 2009. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin).
• Conant, P. et al. 1997. Appendix. Selected plant species interfering with resource management goals in North American natural areas. In: Luken, J. O. & J. W. Thieret, eds., Assessment and management of plant invasions. 255–267.
• Cronquist, A. et al. 1972–. Intermountain flora.
• Davis, P. H., ed. 1965–1988. Flora of Turkey and the east Aegean islands.
• Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
• FNA Editorial Committee. 1993–. Flora of North America.
• Frederiksen, S. 1986. Revision of Taeniatherum (Poaceae). Nordic J. Bot. 6:393–396.
• Groth, D. 2005. pers. comm. [re. Brazilian common names].
• Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
• Jahandiez, E. & R. Maire. 1931–1941. Catalogue des plantes du Maroc. [= Elymus c. L.].
• Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia.
• Melderis, A. 1984. New taxa and combinations in Gramineae tribe Triticeae from Turkey. Notes Roy. Bot. Gard. Edinburgh 42:81.
• Nasir, E. & S. I. Ali, eds. 1970–. Flora of [West] Pakistan.
• Randall, R. P. 2007. The introduced flora of Australia and its weed status.
• Seed Regulatory and Testing Branch, Agricultural Marketing Service, U.S.D.A. 1999. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act.
• Tutin, T. G. et al., eds. 1964–1980. Flora europaea.
• Tzvelev, N. N. 1976. Zlaki SSSR.
• USDA National Agricultural Library. National Invasive Species Information Center (on-line resource).
• Ugarte, E. et al. 2011. Vascular alien flora, Chile. Check List 7:365–382.
• Webster's third new international dictionary.

More:

Search AGRICOLA article citation database for citations referencing Taeniatherum caput-medusae.

Search NCBI's Entrez search engine for PubMed citations referencing Taeniatherum caput-medusae.

Search Biodiversity Heritage Library for historical publications referencing Taeniatherum caput-medusae.

Synonyms:

• Cuviera caput-medusae var. aspera Simonk. [≡ Taeniatherum caput-medusae subsp. asperum]
  
• Elymus caput-medusae L. [≡ Taeniatherum caput-medusae subsp. caput-medusae]
  (previously associated with 12 accessions)
• Elymus crinitus Schreb. [≡ Taeniatherum caput-medusae subsp. crinitum]
  (previously associated with 1 accession)
• Hordeum crinitum (Schreb.) Desf. [≡ Taeniatherum caput-medusae subsp. crinitum]
  (previously associated with 7 accessions)
• Taeniatherum asperum (Simonk.) Nevski [≡ Taeniatherum caput-medusae subsp. asperum]
  
• Taeniatherum crinitum (Schreb.) Nevski [≡ Taeniatherum caput-medusae subsp. crinitum]
  (previously associated with 1 accession)
• (=) Taeniatherum spp.
  (previously associated with 7 accessions)

Check other web resources for Taeniatherum caput-medusae (L.) Nevski:

• Flora Europaea: Database of European Plants (ESFEDS)
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• BONAP: North American Plant Atlas of the Biota of North America Program
• Flora del Conosur: Catálogo de las Plantas Vasculares del Conosur
• AVH: Australia's Virtual Herbarium
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• CNWG: Catalogue of New World Grasses Searchable Database
• Grass Manual on the Web: Manual of Grasses for North America North of Mexico
• World Grass Species-Descriptions: Morphological species description from Royal Botanic Gardens, Kew
• AusGrass2: Australian grass data from Bryan K. Simon’s on-line database
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Images:

• GRIN Images of germplasm accessions.

More:

• Check PlantSystematics.org for additional images
• Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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