Taxon: Elymus trachycaulus (Link) Gould

Summary

Genus:

Elymus

Family:

Poaceae (alt. Gramineae)

Subfamily:

Pooideae

Tribe:

Triticeae

Nomen number:

102325

Place of publication:

Rhodora 56:28. 1954

Protologue link:

https://www.biodiversitylibrary.org/page/619987

Comment:

in addition to ascribing the new combination to him, Shinners thanked Gould for permission to publish the name (p. 26), so Gould is the author of this name (Shenzhen ICN Art. 46.2)

Verified:

02/26/2021 ARS Systematic Botanists.

Accessions:

174 (162 active, 130 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Elymus trachycaulus (Link) Gould subsp. subsecundus (Link) Á. Löve & D. Löve (33 active accession[s])
Elymus trachycaulus (Link) Gould subsp. trachycaulus (18 active accession[s])
Elymus trachycaulus (Link) Gould subsp. virescens (Lange) Á. Löve & D. Löve (0 active accession[s])

Autonyms (not in current use), synonyms and invalid designations

No images

Links

Forestry Images – from www.forestryimages.org
Forestry Images – from www.forestryimages.org

Conservation Status

Reference(s)

Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource).
APHIS. Agricultural Risk Management System United States Department of Agriculture.
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.
Czerepanov, S. K. 1995. Vascular plants of Russia and adjacent states (the former USSR) Cambridge University Press.
Dorn, R. D. 1977. Manual of the vascular plants of Wyoming
Englert, J. M. et al. 1999. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators
FNA Editorial Committee. 1993-. Flora of North America.
Gaudett, M. et al. 2005. Molecular variation and population structure in Elymus trachycaulus and comparison with its morphologically similar E. alaskanus. Pl. Syst. Evol. 250:81-91.
Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada.
Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California
International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. Note: with two subspecies
Löve, Á. 1984. Conspectus of the Triticeae. Feddes Repert. 95:460.
Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:249-250.
Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:300.
Stevens, L. et al. 2007. Microsatellite variability and heterozygote excess in Elymus trachycaulus populations from British Columbia in Canada. Biochem. Syst. & Ecol. 35:725-736.
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. Note: this study included 17 accessions of Elymus trachycaulus, ten of which are USDA accessions (PI 276711, PI 345588, PI 372644, PI 387894, PI 387895, PI 440097-99, PI 440101, PI 598522)
Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
Tzvelev, N. N. 1976. Zlaki SSSR
Wang, R. R.-C. 2011. Chapter 2. Agropyron and Psathyrostachys. In: Kole, C., ed., Wild crop relatives: genomic and breeding resources, cereals 77-108. Note: this review mentioned the diversity of genome constitution in Triticeae, all types found in Elymus able to cross with wheat
Welsh, S. L. et al. 1987. A Utah flora. Great Basin Naturalist Mem. 9.
Wiggins, I. L. 1980. Flora of Baja California. Note: = Agropyron trachycaulum
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions as a cultivated species
Yatskievych, G. & J. Turner. 1990. Catalogue of the flora of Missouri. Monogr. Syst. Bot. Missouri Bot. Gard. 37.

Common names

Language	Name	Alternate name	note	seq	Citation
English	slender wheatgrass			1	Englert, J. M. et al. 1999. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Reference
1	Native	Northern America	Eastern Canada	Canada	New Brunswick	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Newfoundland and Labrador	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Nova Scotia	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Ontario	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Prince Edward Island	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Québec	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Illinois	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Iowa	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Kansas	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Missouri	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	North Dakota	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	South Dakota	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Wisconsin	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Connecticut	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Maine	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Massachusetts	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New Hampshire	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New York	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Ohio	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Vermont	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northern Mexico	Mexico	Baja California (Norte)	Wiggins, I. L. 1980. Flora of Baja California. Note: = Agropyron trachycaulum
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua
1	Native	Northern America	Northern Mexico	Mexico	Coahuila de Zaragoza
1	Native	Northern America	Northern Mexico	Mexico	Nuevo León
1	Native	Northern America	Northern Mexico	Mexico	Tamaulipas
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Idaho	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Montana	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Oregon	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Washington	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	Texas	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Kentucky	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	California	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Nevada	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Utah	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Subarctic America	Canada	Yukon	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Subarctic America	Greenland		Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:300.
1	Native	Northern America	Subarctic America	United States	Alaska	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Alberta	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	British Columbia	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Manitoba	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Saskatchewan	FNA Editorial Committee. 1993-. Flora of North America.
3	Adventive	Europe	Eastern Europe	Russian Federation	Volgogradskaja oblast'	Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:249-250.

Native
Northern America

SUBARCTIC AMERICA: Canada [Yukon], Greenland, United States [Alaska]
EASTERN CANADA: Canada [New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, Québec]
WESTERN CANADA: Canada [Alberta, British Columbia, Manitoba, Saskatchewan]
NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Vermont, West Virginia]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, Wisconsin]
NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana, Oregon, Washington, Wyoming]
SOUTHEASTERN U.S.A.: United States [Arkansas, Kentucky, Maryland, North Carolina, Virginia]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada, Utah]
NORTHERN MEXICO: Mexico [Baja California (Norte), Chihuahua, Coahuila de Zaragoza, Nuevo León, Tamaulipas]

Adventive
Europe

EASTERN EUROPE: Russian Federation [Volgogradskaja oblast']

Reference(s)

FNA Editorial Committee. 1993-. Flora of North America.
Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:249-250.
Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:300.
Wiggins, I. L. 1980. Flora of Baja California. Note: = Agropyron trachycaulum

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=102325. Accessed 15 April 2026.