Agropyron

{{Short description|Genus of grasses}}

{{Automatic taxobox

|name = Wheatgrass

|image = Agropyron cristatum illustration (01).jpg

|image_caption = Agropyron cristatumillustration circa 1805, Hand-colored copper engraving of Agropyron cristatum, from Icones et descriptiones Graminum austriacorum Vindobonae : A. Schmidt, 1801-1809.

|display_parents = 3

|taxon = Agropyron

|authority = Gaertn.

|type_species = Agropyron cristatum

|type_species_authority = Gaertn.

|synonyms_ref = [http://apps.kew.org/wcsp/synonomy.do?name_id=451053 Kew World Checklist of Selected Plant Families]

|synonyms =

• Costia Willk.
• Cynopoa Ehrh.
• Douglasdeweya C.Yen, J.L.Yang & B.R.Baum
• Kratzmannia Opiz
• Zeia Lunell

}}

Agropyron is a genus of Eurasian plants in the grass family), native to Europe and Asia but widely naturalized in North America.{{cite web|url=http://delta-intkey.com/grass/www/ag_pyron.htm |title=The grass genera of the world: descriptions, illustrations, identification, and information retrieval; including synonyms, morphology, anatomy, physiology, phytochemistry, cytology, classification, pathogens, world and local distribution, and references |accessdate=2009-08-19 |author=Watson L, Dallwitz MJ. |year=2008 |work=The Grass Genera of the World |url-status=dead |archiveurl=https://web.archive.org/web/20110606064238/http://delta-intkey.com/grass/www/ag_pyron.htm |archivedate=2011-06-06 }}Gaertner, Joseph. 1770. Novi Commentarii Academiae Scientiarum Imperalis Petropolitanae 14(1): 539[http://www.tropicos.org/Name/40034604 Tropicos, Agropyron Gaertn.][http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=100844 Flora of China Vol. 22 Page 1, 386, 387, 437 冰草属 bing cao shu Agropyron Gaertner, Novi Comment. Acad. Sci. Imp. Petrop. 14: 539. 1770][http://luirig.altervista.org/flora/taxa/floraspecie.php?genere=Agropyron Altervista Flora Italiana genere Agropyron] photos and distribution maps for several species[http://bonap.net/NAPA/TaxonMaps/Genus/County/Agropyron Biota of North America Program 2013 county distribution maps]

Species in the genus are commonly referred to as wheatgrass.[http://plants.usda.gov/core/profile?symbol=AGROP2 US Department of Agriculture plants profile, Agropyron Gaertn., wheatgrass]

; Species

• Agropyron badamense - Tajikistan, Kyrgyzstan, Uzbekistan, Kazakhstan
• Agropyron bulbosum - Iran{{cite web|title=Agropyron of Iran|url=http://flora-iran.com/family/Poaceae/Agropyron.html|website=Flora of Iran|accessdate=1 April 2016}}
• Agropyron cimmericum - Ukraine, Crimea
• Agropyron cristatum - Crested wheatgrass - Eurasia + North Africa from Spain + Morocco to Korea + Khabarovsk; naturalized in western + central North America (United States, Canada, northern Mexico)
• Agropyron dasyanthum - Ukraine
• Agropyron desertorum - Desert Wheatgrass - from Crimea + Caucasus to Mongolia + Siberia
• Agropyron deweyi - Turkey
• Agropyron fragile - Siberian wheatgrass - from Caucasus to Mongolia; naturalized in scattered locales in western United States + Canada
• Agropyron michnoi - Buryatiya, Zabaykalsky Krai, Mongolia, Inner Mongolia
• Agropyron mongolicum - Gansu, Inner Mongolia, Ningxia, Shaanxi, Shanxi, Xinjiang
• Agropyron × pilosiglume - European Russia
• Agropyron tanaiticum - Ukraine, European Russia
• Agropyron thomsonii - Western Himalayas
• Agropyron tsukushiense (Honda) Ohwi Ohwi synonym Elymus tsukushiensis
• Agropyron tsukushiense var. transiens (Hack.) Ohwi synonym Elymus tsukushiensis

; formerly included

species now considered better suited in other genera: Crithopsis Elymus Kengyilia Leymus Thinopyrum Vulpia etc.