Wikipedia Source Page

Summary

Hordeum is a genus of annual and perennial plants in the grass family. The species are native throughout the temperate regions of Africa, Eurasia, and the Americas.

Taxonomy

Species include:

Hordeum aegiceras – Mongolia, China including Tibet Hordeum arizonicum US (CA AZ NV NM), Mexico (Baja California, Sonora, Durango) Hordeum bogdanii – from Turkey and European Russia to Mongolia Hordeum brachyantherum – Russia (Kuril, Kamchatka), Alaska, Canada including Yukon, US (mostly in the West but also scattered locales in the East), Baja California Hordeum brachyatherum – Chile Hordeum brevisubulatum – European Russia; temperate and subarctic Asia from Turkey and the Urals to China and Magadan Hordeum bulbosum – Mediterranean, Central Asia Hordeum californicum – US (CA; OR; NV) Hordeum capense – South Africa, Lesotho Hordeum chilense – Argentina, Chile (including Juan Fernández Is) Hordeum comosum – Argentina, Chile Hordeum cordobense – northern Argentina Hordeum depressum – US (CA; OR; WA; ID; NV), British Columbia, Baja California Hordeum distichon – Iraq Hordeum erectifolium – northern Argentina Hordeum euclaston – Brazil, Uruguay, Argentina Hordeum flexuosum – Uruguay, Argentina Hordeum fuegianum – Tierra del Fuego Hordeum guatemalense – Guatemala Hordeum halophilum – Argentina, Chile, Bolivia, Peru Hordeum intercedens (bobtail barley) – California, Baja California Hordeum jubatum (foxtail barley) – widespread in US and Canada; Asiatic Russia, Inner Mongolia, Central Asia, Caucasus Hordeum × lagunculciforme – Iraq, Turkmenistan, Himalayas, western China Hordeum lechleri – Argentina, Chile Hordeum marinum (sea barley) – Europe, North Africa, southwestern and central Asia Hordeum murinum (wall barley) – Canary Islands, Europe, North Africa, southwestern and central Asia Hordeum muticum – Argentina, Chile, Bolivia, Peru Hordeum parodii – Argentina Hordeum patagonicum – Argentina, Chile Hordeum × pavisii –...