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

(≡ homotypic synonym, = heterotypic synonym, - autonym, I invalid designation)

• (=) Elymus propinquus Fresen. ex Steud.

Common names:

• downy wild rye  (Source: F NAmer) - English
• hairy wild rye  (Source: Proc E Nat Grass Sym) - English

Economic Importance:

• Environmental: erosion control;

Distributional Range:

Native

Northern America

• EASTERN CANADA: Canada [Québec (s.), Ontario (s.)]
• NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Massachusetts, Michigan, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
• NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin]
• NORTHWESTERN U.S.A.: United States [Wyoming (n.e.)]
• SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Georgia (e.), Kentucky, Maryland, Mississippi (n.), North Carolina, South Carolina, Tennessee, Virginia]
• SOUTH-CENTRAL U.S.A.: United States [New Mexico (n.e.), Texas]

References:

1. Baum, B. R. et al. 2011. A taxonomic synopsis of the genus Campeiostachys Drobov. J. Syst. Evol. 49:146-159.
2. Bowden, W. M. 1964. Cytotaxonomy of the species and interspecific hybrids of the genus Elymus in Canada and neighboring areas. Canad. J. Bot. 42:589-591. Note: with two forms
3. Brown, R. G. & M. L. Brown. 1984. Herbaceous plants of Maryland
4. Englert, J. 1999. New and upcoming native grass releases from the Eastern US Plant Materials Centers. Proceedings of the Second Eastern Native Grass Symposium, November 17-19, 1999. Baltimore, Maryland 2:132.
5. FNA Editorial Committee. 1993-. Flora of North America.
6. Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
7. Hitchcock, A. S. 1950. Manual of the grasses of the United States, ed. 2.
8. Jones, G. N. & G. D. Fuller. 1955. Vascular plants of Illinois.
9. Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland.
10. McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
11. McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
12. Ni, Y. et al. 2011. Maternal origin, genome constitution and evolutionary relationships of polyploid Elymus species and Hordelymus europaeus. Biol. Pl. 55:68-74. Note: this study included one USDA accession (PI 531703) of Elymus villosus with StHY genome
13. Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
14. Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:303.
15. Steyermark, J. A. 1977. Flora of Missouri.
16. Tang, C. et al. 2017. Genome origin and phylogenetic relationships of Elymus villosus (Triticeae: Poaceae) based on single-copy nuclear Acc1, Pgk1, DMC1 and chloroplast trnL-F sequences. Biochem. Syst. & Ecol. 70:168-176. Note: tetraploid (2n=28), Elymus villosus has a StStHH-genome
17. Wang, R. R.-C. 2011. Chapter 2. Agropyron and Psathyrostachys. Wild crop relatives: genomic and breeding resources, cereals 77-108. Note: this review commented on genome constitution of the genus, and potential capabilities of being hybridized with wheat
18. Wofford, B. E. Database of Tennessee vascular plants (on-line resource). URL: https://herbarium.utk.edu/vascular/vascular-database.php?CategoryID=Monocots&FamilyID=Poaceae&GenusID=Elymus&SpeciesID=villosus target='_blank'
19. Catalogue of New World grasses (Poaceae) (on-line resource).

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2024. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: http://gringlobal.iita.org/gringlobal/taxonomydetail.aspx?id=15074. Accessed 18 May 2024.