''Elymus'' is a genus of perennial plants with approximately 150 species in the

grass family Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos, the grasses of natural grassland and species cultivated in ...

, 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, wild rye and wheatgrass.Biota of North America Program 2013 county distribution maps
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Species

, Plants of the World Online accepted 173 species and 19 hybrids: *'' Elymus abolinii'' *'' Elymus aenaeanus'' *'' Elymus afghanicus'' *'' Elymus africanus'' *'' Elymus alaskanus'' *'' Elymus albicans'' *'' Elymus alienus'' *'' Elymus alpinus'' *'' Elymus altissimus'' *'' Elymus amgensis'' *'' Elymus angsaiensis'' *'' Elymus angulatus'' *'' Elymus angustispiculatus'' *'' Elymus anthosachnoides'' *'' Elymus antiquus'' * ''Elymus'' × ''apiculatus'' *'' Elymus arcuatus'' *'' Elymus arizonicus'' *'' Elymus atratus'' *'' Elymus bakeri'' *'' Elymus barbicallus'' *'' Elymus barystachyus'' * ''Elymus'' × ''bobrovicus'' *'' Elymus borianus'' * ''Elymus'' × ''brachyphyllus'' *'' Elymus brevipes'' *'' Elymus burchan-buddae'' *'' Elymus buschianus'' *'' Elymus cacuminis'' *'' Elymus caesifolius'' *'' Elymus caianus'' *'' Elymus californicus'' , California bottlebrush grass *''

Elymus canadensis ''Elymus canadensis'', Synonym (taxonomy), synonyms including ''Elymus wiegandii'', commonly known as Canada wild rye or Canadian wildrye, is a species of Elymus (plant), wild rye native to much of North America. It is most abundant in the centra ...

'' *'' Elymus caninus'' *'' Elymus caucasicus'' *'' Elymus cheniae'' *'' Elymus churchii'' *'' Elymus ciliaris'' *'' Elymus clivorum'' *'' Elymus colorans'' *'' Elymus confusus'' *'' Elymus cordilleranus'' *'' Elymus coreanus'' *'' Elymus curtiaristatus'' *'' Elymus curvatiformis'' *'' Elymus curvatus'' * ''Elymus'' × ''czilikensis'' *'' Elymus czimganicus'' *'' Elymus debilis'' *'' Elymus dentatus'' *'' Elymus diversiglumis'' *'' Elymus dolichatherus'' *'' Elymus dolichorhachis'' * ''Elymus'' × ''dorei'' *'' Elymus dorudicus'' *'' Elymus durus'' *'' Elymus duthiei'' * ''Elymus'' × ''ebingeri'' *'' Elymus edelbergii'' *''

Elymus elymoides ''Elymus elymoides'' is a species of wild rye known by the common name squirreltail. This grass is native to central and western North America. Description ''Elymus elymoides'' is a perennial bunch grass growing to around in height. Its erect ...

'' *'' Elymus erosiglumis'' * ''Elymus'' × ''fedoronchukii'' *'' Elymus fedtschenkoi'' *'' Elymus festucoides'' *'' Elymus fibrosus'' *'' Elymus formosanus'' *'' Elymus glaberrimus'' *'' Elymus glaucissimus'' *'' Elymus glaucus'' *'' Elymus gmelinii'' *'' Elymus grandis'' * ''Elymus'' × ''hansenii'' *'' Elymus hirsutus'' *'' Elymus hitchcockii'' *'' Elymus hoffmannii'' *'' Elymus hondae'' *'' Elymus hongyuanensis'' *'' Elymus hordeoides'' *'' Elymus humilis'' *'' Elymus hybridus'' *'' Elymus hystrix'' * ''Elymus'' × ''incertus'' * ''Elymus'' × ''interjacens'' *'' Elymus interruptus'' *'' Elymus intramongolicus'' *'' Elymus ircutensis'' *'' Elymus jacquemontii'' *'' Elymus jacutensis'' *'' Elymus karakabinicus'' *'' Elymus kasteki'' *'' Elymus khokhrjakovii'' *'' Elymus kuramensis'' *'' Elymus lancangensis'' *'' Elymus lanceolatus'' *'' Elymus laxinodis'' *'' Elymus lazicus'' *'' Elymus leiotropis'' *''

Elymus lenensis Elymus may refer to: * ''Elymus'' (plant), a genus of grasses * Elymus (mythology), the mythical ancestor of the Elymians * A man killed by Gorge (mythology) {{disambig ...

'' *'' Elymus lolioides'' *'' Elymus longearistatus'' *'' Elymus longifolius'' *'' Elymus macgregorii'' *'' Elymus macrochaetus'' *'' Elymus macrourus'' *'' Elymus magellanicus'' *'' Elymus magnicaespes'' *'' Elymus magniherbosus'' *'' Elymus magnipodus'' * ''Elymus'' × ''maltei'' *'' Elymus margaritae'' *'' Elymus maroccanus'' *'' Elymus medius'' *'' Elymus mendocinus'' * ''Elymus'' × ''mossii'' '' Elymus multisetus'' *'' Elymus mutabilis'' *'' Elymus nakaii'' *'' Elymus nepalensis'' *'' Elymus nipponicus'' *'' Elymus nodosus'' * ''Elymus'' × ''nothus'' * ''Elymus'' × ''palmerensis'' *'' Elymus panormitanus'' *'' Elymus patagonicus'' *'' Elymus pendulinus'' *'' Elymus petrovii'' *'' Elymus praeruptus'' *'' Elymus probatovae'' *'' Elymus pseudocaninus'' * ''Elymus'' × ''pseudorepens'' *'' Elymus puberulus'' *'' Elymus pulanensis'' *'' Elymus pungens'' *'' Elymus purpurascens'' *'' Elymus qingnanensis'' *''

Elymus repens ''Elymus repens'', commonly known as couch grass, is a very common perennial species of grass native to most of Europe, Asia, the Arctic, and northwest Africa. It has been brought into other mild northern climates for forage or erosion control, b ...

'' *'' Elymus retroflexus'' *'' Elymus rhodopaeus'' *'' Elymus riparius'' *'' Elymus russellii'' *'' Elymus sajanensis'' * ''Elymus'' × ''saundersii'' * ''Elymus'' × ''saxicola'' *'' Elymus scabridulus'' *'' Elymus scabrifolius'' *'' Elymus scabriglumis'' *'' Elymus schugnanicus'' *'' Elymus sclerophyllus'' *'' Elymus scribneri'' *'' Elymus semicostatus'' *'' Elymus serotinus'' *'' Elymus serpentinus'' *'' Elymus shandongensis'' *'' Elymus shirazicus'' *'' Elymus shouliangiae'' *'' Elymus sibinicus'' *'' Elymus sibiricus'' *'' Elymus sikkimensis'' *'' Elymus sinkiangensis'' *'' Elymus sinoflexuosus'' *'' Elymus sinosubmuticus'' *'' Elymus smithii'' * ''Elymus'' × ''spurius'' *'' Elymus stebbinsii'' *'' Elymus stenostachyus'' *'' Elymus strictus'' *'' Elymus svensonii'' *'' Elymus sylvaticus'' *'' Elymus tenuis'' *'' Elymus tenuispicatus'' *'' Elymus tenuispicus'' *'' Elymus texensis'' *'' Elymus tibeticus'' *'' Elymus tilcarensis'' *'' Elymus transhyrcanus'' *'' Elymus trichospicula'' *'' Elymus troctolepis'' *'' Elymus uralensis'' * ''Elymus'' × ''versicolor'' *'' Elymus villosus'' *'' Elymus violaceus'' *'' Elymus virginicus'' *'' Elymus viridulus'' *'' Elymus vulpinus'' *'' Elymus wawawaiensis'' *'' Elymus yangiae'' *'' Elymus yubaridakensis'' * ''Elymus'' × ''yukonensis'' *'' Elymus yushuensis'' *'' Elymus zadoiensis'' *'' Elymus zejensis'' *'' Elymus zhui''

Older classifications

Many species once considered members of ''Elymus'' are now regarded as better suited to other genera: '' Agropyron'', '' Anthosachne'', ''

Brachypodium ''Brachypodium'' is a genus of plants in the grass family, widespread across much of Africa, Eurasia, and Latin America. The genus is classified in its own tribe Brachypodieae. Flimsy upright stems form tussocks. Flowers appear in compact spi ...

'', ''

Cenchrus ''Cenchrus'' is a widespread genus of plants in the grass family, native to tropical and warm temperate regions of the world. Its species are native to many countries in Asia, Africa, Australia, the Americas, and various oceanic islands. Comm ...

'', ''

Crithopsis ''Crithopsis'' is a genus of plants in the grass family, native to the Mediterranean and nearby areas. ;Species The only known species is ''Crithopsis delileana'', native to Morocco, Tunisia, Libya, Egypt, Crete, Turkey, Lebanon, Syria, Israel, ...

'', '' Heteranthelium'', '' Jouvea'', '' Kengyilia'', ''

Leymus ''Leymus'' is a genus of plants in the grass family Poaceae (Gramineae). It is widespread across Europe, Asia, and the Americas. * '' Leymus aemulans'' - Xinjiang, Central Asia * '' Leymus ajanensis'' - Siberia, Russian Far East, Alaska * '' L ...

'', ''

Psathyrostachys ''Psathyrostachys'' is a genus of Eurasian plants in the grass family Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal gra ...

'', '' Stenostachys'', '' Taeniatherum'', '' Thinopyrum'' etc.

References

External links

*
Jepson Manual Treatment

{{Clear Poaceae genera Grasses of Asia Grasses of Europe Grasses of North America Grasses of South America Taxa named by Carl Linnaeus