Pseudoroegneria

Wildrye, wheatgrass
Elymus canadensis
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
(unranked):	Commelinids
Order:	Poales
Family:	Poaceae
Subfamily:	Pooideae
Tribe:	Triticeae
Genus:	Elymus L.
Type species
Elymus sibiricus L.
Synonyms
Asperella Humb. Braconotia Godr. Campeiostachys Drobow Chretomeris Nutt. ex J.G. Sm. nom. inval. Clinelymus (Griseb.) Nevski Crithopyrum Steud. Cryptopyrum Heynh. nom. inval. Elysitanion Bowden nom. illeg. Elytrigia Desv. Elytrigium Benth. Goulardia Husn. Gymnostichum Schreb. Hystrix Moench Lophopyrum Á.Löve Pascopyrum Á.Löve Peridictyon Seberg Polyantherix Nees Psammopyrum Á.Löve Pseudoroegneria (Nevski) Á.Löve Roegneria K.Koch Semeiostachys Drobow. Sitanion Raf. Sitospelos Adans. Terrellia Lunell × Elymotrigia Hyl. × Elysitanion Bowden × Pseudelymus Barkworth & D.R.Dewey × Terrelymus B.R.Baum

Elymus is a genus of perennial plants with approximately 150 species in the grass family, related to rye, wheat, and other widely grown cereal grains.

Elymus is a cosmopolitan genus, represented by species across all continents of the world. Common names include couch grass, wildrye and wheatgrass.

Many species once considered members of Elymus are now regarded as better suited to other genera: Agropyron, Anthosachne, Brachypodium, Cenchrus, Crithopsis, Heteranthelium, Jouvea, Kengyilia, Leymus, Psathyrostachys, Stenostachys, Taeniatherum, Thinopyrum etc.

The following species are recognised by The Plant List:

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Wikipedia