Taxon: Elymus trachycaulus (Link) Gould ex Shinners subsp. trachycaulus

Genus: Elymus
Family: Poaceae (alt.Gramineae)
Subfamily: Pooideae
Tribe: Triticeae
Subtribe: Hordeinae
Nomen number: 313183
Place of publication:
Link to protologue:
Name Verified on: 08-Nov-2007 by ARS Systematic Botanists. Last Changed: 08-Nov-2007
Species priority site is: Western Regional PI Station (W6)
Accessions: 9 in National Plant Germplasm System (GoogleMap)

Common names:

Economic Importance:

  • Environmental: erosion control (fide F Utah ed2)
  • Environmental: revegetator (fide Grass VarUSA)
  • Animal food: fodder (fide AH 170)
  • Animal food: forage (fide Food Feed Crops US)
  • Gene sources: tertiary genetic relative of wheat (fide Wild Crop Rel Cer 2:78. 2011)

Distributional Range:


  • Northern America

    • Eastern Canada: Canada New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Quebec
    • North-Central U.S.A.: United States Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, Wisconsin
    • Northeastern U.S.A.: United States Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Vermont, West Virginia
    • Northern Mexico: Mexico Chihuahua, Coahuila, Nuevo Leon, Tamaulipas, Baja Norte
    • Northwestern U.S.A.: United States Colorado, Idaho, Montana, Oregon, Washington, Wyoming
    • South-Central U.S.A.: United States New Mexico, Texas
    • Southeastern U.S.A.: United States Kentucky, Maryland, North Carolina, Virginia
    • Southwestern U.S.A.: United States Arizona, California, Nevada, Utah
    • Subarctic America: Canada Northwest Territory, Yukon Territory; United States Alaska
    • Western Canada: Canada Alberta, British Columbia, Manitoba, Saskatchewan


  • Alderson, J. & W. C. Sharp Grass varieties in the United States, U.S.D.A. Agric. Handb. 170, rev. ed. 1995 (Grass VarUSA)
  • Barkworth, M. E. & D. R. Dewey 1985. Genomically based genera in the perennial Triticeae of North America: identification and membership Amer. J. Bot. 72:769.
  • Barkworth, M. E. et al. 1983. New generic concepts in the Triticeae of the Intermountain Region: keys and comments Great Basin Naturalist 43:566.
  • FNA Editorial Committee Flora of North America. (F NAmer)
  • Hanson, A. A. Grass varieties in the United States. 1972 (AH 170)
  • Hickman, J. C., ed. The Jepson manual: higher plants of California. 1993 (F CalifJep)
  • Markle, G. M. et al., eds. Food and feed crops of the United States, ed. 2. 1998 (Food Feed Crops US)
  • Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae Contr. U.S. Natl. Herb. 48:302.
  • Sun, G. et al. 2006. Molecular diversity and relationships among Elymus trachycaulus, E. subsecundus, E. virescens, E. violaceus, and E. hyperacticus (Poaceae:Triticeae) as determined by amplified fragment length polymorphism (Genome) 49:1160-1169.
  • Tzvelev, N. N. Zlaki SSSR. 1976 (Grass USSR)
  • Wang, R. R.-C. 2011. Chapter 2. Agropyron and Psathyrostachys (Wild Crop Rel Cer) 77-108.
  • Welsh, S. L. et al. A Utah flora. (F Utah ed2)


Check other web resources for Elymus trachycaulus (Link) Gould ex Shinners subsp. trachycaulus :

  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • 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
  • Mansfeld: Mansfeld's World Databas of Agricultural and Horticultural Crops
  • 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.