Agropyron is a genus of Eurasian plants in the grass family), native to Europe and Asia but widely naturalized in North America.

Species in the genus are commonly referred to as wheatgrass.

Species
Agropyron badamense - Tajikistan, Kyrgyzstan, Uzbekistan, Kazakhstan
Agropyron bulbosum - Iran
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
formerly included
species now considered better suited in other genera: Crithopsis Elymus Kengyilia Leymus Thinopyrum Vulpia etc.


source - Wikipedia