| 1 | Native | Africa | Macaronesia | Portugal | Azores | | Silva, L. et al. 2005. Listagem da fauna e flora terrestres dos Açores. Lista des plantas vasculares (Pteridophyta e Spermatophyta). |
| 1 | Native | Africa | Macaronesia | Portugal | Madeira Islands | | Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17. |
| 1 | Native | Africa | Macaronesia | Spain | Canarias | | Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17. |
| 1 | Native | Africa | Northern Africa | Algeria | | n. | El-Rabey, H. A. et al. 2002. Speciation and species separation in Hordeum (Poaceae) resolved by discontinuous molecular markers. Pl. Biol. 4:567-575. |
| 1 | Native | Africa | Northern Africa | Egypt | | n. | Jacobsen, N. & R. von Bothmer. 1995. Taxonomy in the Hordeum murinum complex (Poaceae). Nordic J. Bot. 15:449-458. |
| 1 | Native | Africa | Northern Africa | Libya | | n. | El-Rabey, H. A. et al. 2002. Speciation and species separation in Hordeum (Poaceae) resolved by discontinuous molecular markers. Pl. Biol. 4:567-575. |
| 1 | Native | Africa | Northern Africa | Morocco | | | El-Rabey, H. A. et al. 2002. Speciation and species separation in Hordeum (Poaceae) resolved by discontinuous molecular markers. Pl. Biol. 4:567-575. |
| 1 | Native | Africa | Northern Africa | Tunisia | | | El-Rabey, H. A. et al. 2002. Speciation and species separation in Hordeum (Poaceae) resolved by discontinuous molecular markers. Pl. Biol. 4:567-575. |
| 1 | Native | Asia-Temperate | Arabian Peninsula | Saudi Arabia | | n. | Townsend, C. C. & E. Guest. 1966-. Flora of Iraq. 9:248-250. Note: = Hordeum glaucum & H. leporinum |
| 1 | Native | Asia-Temperate | Caucasus | Armenia | | | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Asia-Temperate | Caucasus | Azerbaijan | | | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Asia-Temperate | Caucasus | Georgia | | | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation | Dagestan | | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation-Ciscaucasia | Ciscaucasia | | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Asia-Temperate | Middle Asia | Kazakhstan | | s.e. | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Asia-Temperate | Middle Asia | Tajikistan | | | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Asia-Temperate | Middle Asia | Turkmenistan | | | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Asia-Temperate | Middle Asia | Uzbekistan | | | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Asia-Temperate | Western Asia | Afghanistan | | | Jacobsen, N. & R. von Bothmer. 1995. Taxonomy in the Hordeum murinum complex (Poaceae). Nordic J. Bot. 15:449-458. |
| 1 | Native | Asia-Temperate | Western Asia | Cyprus | | | Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands. |
| 1 | Native | Asia-Temperate | Western Asia | Egypt | Sinai | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Asia-Temperate | Western Asia | Iran | | | El-Rabey, H. A. et al. 2002. Speciation and species separation in Hordeum (Poaceae) resolved by discontinuous molecular markers. Pl. Biol. 4:567-575. |
| 1 | Native | Asia-Temperate | Western Asia | Iraq | | | Townsend, C. C. & E. Guest. 1966-. Flora of Iraq. 9:248-250. Note: = Hordeum glaucum & H. leporinum |
| 1 | Native | Asia-Temperate | Western Asia | Israel | | | Zohary, M. & N. Feinbrun-Dothan. 1966-. Flora palaestina. |
| 1 | Native | Asia-Temperate | Western Asia | Jordan | | | Zohary, M. & N. Feinbrun-Dothan. 1966-. Flora palaestina. |
| 1 | Native | Asia-Temperate | Western Asia | Lebanon | | | Bothmer, R. von et al. 1983. Interspecific hybridization with cultivated barley (Hordeum vulgare). Hereditas (Beijing) 99:219-244. |
| 1 | Native | Asia-Temperate | Western Asia | Syria | | | Bothmer, R. von et al. 1983. Interspecific hybridization with cultivated barley (Hordeum vulgare). Hereditas (Beijing) 99:219-244. |
| 1 | Native | Asia-Temperate | Western Asia | Turkey | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Asia-Tropical | Indian Subcontinent | India | | n.w. | Townsend, C. C. & E. Guest. 1966-. Flora of Iraq. 9:248-250. Note: = Hordeum glaucum & H. leporinum |
| 1 | Native | Asia-Tropical | Indian Subcontinent | Pakistan | | | Doebley, J. et al. 1992. Chloroplast DNA variation and the phylogeny of Hordeum (Poaceae). Amer. J. Bot. 79:576-584. Note: used 5 accessions representing 3 subspp. with different cytotypes (2x, 4x & 6x) that all clustered together, but without clear alliances to other taxa in the genus & supporting an ancient genome differentiation from other ones in Hordeum |
| 1 | Native | Europe | Eastern Europe | Moldova | | | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Europe | Eastern Europe | Russian Federation | Astrakhan | | Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:247. |
| 1 | Native | Europe | Eastern Europe | Russian Federation | Kalmykija, Respublika | | Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:247. |
| 1 | Native | Europe | Eastern Europe | Russian Federation | Volgogradskaja oblast' | | Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:247. |
| 1 | Native | Europe | Eastern Europe | Ukraine | | s. & Krym | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Europe | Middle Europe | Austria | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Belgium | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Czech Republic | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Middle Europe | Germany | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Hungary | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Netherlands | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Poland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Slovakia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Middle Europe | Switzerland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | Ireland | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Northern Europe | Sweden | | s. | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Northern Europe | United Kingdom | | s. | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Albania | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Bosnia and Herzegovina | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Southeastern Europe | Bulgaria | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Croatia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Southeastern Europe | Greece | | incl. Crete | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Italy | | incl. Sardinia, Sicily | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Romania | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Serbia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Southeastern Europe | Slovenia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Southwestern Europe | France | | incl. Corsica | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | Portugal | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | Spain | | incl. Baleares | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 4 | Naturalized | Africa | Southern Africa | South Africa | | | Gibbs-Russell, G. E. et al. 1990. Grasses of southern Africa. Mem. Bot. Surv. S. Africa vol. 58 |
| 4 | Naturalized | Africa | Western Indian Ocean | Madagascar | | | Townsend, C. C. & E. Guest. 1966-. Flora of Iraq. 9:248-250. Note: = Hordeum glaucum & H. leporinum |
| 4 | Naturalized | Asia-Temperate | Eastern Asia | Japan | | | Koyama, T. 1987. Grasses of Japan and its neighboring regions |
| 4 | Naturalized | Australasia | Australia | Australia | | | George, A. S., ed. 1980-. Flora of Australia. |
| 4 | Naturalized | Australasia | New Zealand | New Zealand | | | Allan, H. H. B. et al. 1961-. Flora of New Zealand. Note: = Critesion murinum (L.) A. Love |
| 4 | Naturalized | Europe | Northern Europe | Denmark | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Northern Europe | Finland | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Northern Europe | Ireland | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Northern Europe | Norway | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Northern America | | Canada | | w. | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | | Mexico | | | Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:396. |
| 4 | Naturalized | Northern America | | United States | | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Pacific | North-Central Pacific | United States | Hawaii | | Holm, L. et al. 1979. A geographical atlas of world weeds |
| 4 | Naturalized | Southern America | Central America | Guatemala | | | Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:396. |
| 4 | Naturalized | Southern America | Southern South America | Argentina | | | Zuloaga, F. O. et al. 1994. Catálogo de la familia Poaceae en la República Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 47 |
| 4 | Naturalized | Southern America | Southern South America | Chile | | | Zuloaga, F. O. et al. 1994. Catálogo de la familia Poaceae en la República Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 47 |
| 4 | Naturalized | Southern America | Southern South America | Uruguay | | | Zuloaga, F. O. et al. 1994. Catálogo de la familia Poaceae en la República Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 47 |
| 4 | Naturalized | Southern America | Western South America | Bolivia | | | Zuloaga, F. O. et al. 1994. Catálogo de la familia Poaceae en la República Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 47 |
| 4 | Naturalized | Southern America | Western South America | Peru | | | Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45 |