| 1 | Native | Africa | East Tropical Africa | Kenya | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. |
| 1 | Native | Africa | Macaronesia | Portugal | Madeira Islands | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Africa | Macaronesia | Spain | Canarias | | Arechavaleta, M. et al., coords. 2009. Lista de especies silvestres de Canarias: hongos, plantas y animales terrestres |
| 1 | Native | Africa | Northeast Tropical Africa | Eritrea | | | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 1 | Native | Africa | Northern Africa | Algeria | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Africa | Northern Africa | Egypt | | n. | Boulos, L. 1995. Flora of Egypt checklist. |
| 1 | Native | Africa | Northern Africa | Libya | | n. | Ali, S. I. & S. M. H. Jafri, eds. 1976-. Flora of Libya. |
| 1 | Native | Africa | Northern Africa | Morocco | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Africa | Northern Africa | Tunisia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Asia-Temperate | Caucasus | Armenia | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Azerbaijan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Georgia | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation | Dagestan | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation-Ciscaucasia | Ciscaucasia | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Middle Asia | Kyrgyzstan | | w. | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Middle Asia | Tajikistan | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 1 | Native | Asia-Temperate | Middle Asia | Turkmenistan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Middle Asia | Uzbekistan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Western Asia | Afghanistan | | | Rechinger, K. H., ed. 1963-. Flora iranica. |
| 1 | Native | Asia-Temperate | Western Asia | Cyprus | | | Meikle, R. D. 1977-1985. Flora of Cyprus. |
| 1 | Native | Asia-Temperate | Western Asia | Egypt | Sinai | | Boulos, L. 1995. Flora of Egypt checklist. |
| 1 | Native | Asia-Temperate | Western Asia | Iran | | | Rechinger, K. H., ed. 1963-. Flora iranica. |
| 1 | Native | Asia-Temperate | Western Asia | Iraq | | | Townsend, C. C. & E. Guest. 1966-. Flora of Iraq. |
| 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 | | | Mouterde, P. 1966-. Nouvelle flore du Liban et de la Syrie. |
| 1 | Native | Asia-Temperate | Western Asia | Syria | | | Mouterde, P. 1966-. Nouvelle flore du Liban et de la Syrie. |
| 1 | Native | Asia-Temperate | Western Asia | Turkey | | | Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands. |
| 1 | Native | Asia-Tropical | Indian Subcontinent | Bhutan | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 1 | Native | Asia-Tropical | Indian Subcontinent | India | | | Shukla, U. 1996. Grasses of north-eastern India |
| 1 | Native | Asia-Tropical | Indian Subcontinent | Pakistan | | | Nasir, E. & S. I. Ali, eds. 1970-. Flora of [West] Pakistan. |
| 1 | Native | Europe | Eastern Europe | Ukraine | | incl. 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 | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | United Kingdom | | | 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 | 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. |
| 2 | Cultivated | | | | | also cult. | |
| 3 | Adventive | Europe | Eastern Europe | Russian Federation | Saratov | | Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:221. |
| 4 | Naturalized | Africa | Macaronesia | Portugal | Azores | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Africa | Southern Africa | Lesotho | | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 4 | Naturalized | Africa | Southern Africa | South Africa | Eastern Cape | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 4 | Naturalized | Africa | Southern Africa | South Africa | Free State | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 4 | Naturalized | Africa | Southern Africa | South Africa | KwaZulu-Natal | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 4 | Naturalized | Africa | Southern Africa | South Africa | Northern Cape | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 4 | Naturalized | Africa | Southern Africa | South Africa | Western Cape | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 4 | Naturalized | Asia-Temperate | China | China | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 4 | Naturalized | Asia-Temperate | Eastern Asia | Japan | | | Koyama, T. 1987. Grasses of Japan and its neighboring regions |
| 4 | Naturalized | Asia-Temperate | Eastern Asia | Taiwan | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 4 | Naturalized | Australasia | Australia | Australia | | | Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia |
| 4 | Naturalized | Australasia | New Zealand | New Zealand | | | Allan, H. H. B. et al. 1961-. Flora of New Zealand. |
| 4 | Naturalized | Europe | Eastern Europe | Lithuania | | | 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 | Norway | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Northern Europe | Sweden | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 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. 48:692. |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | West Virginia | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Northwestern U.S.A. | United States | Oregon | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Northwestern U.S.A. | United States | Washington | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | South-Central U.S.A. | United States | New Mexico | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | South-Central U.S.A. | United States | Texas | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Georgia | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | North Carolina | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Virginia | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southwestern U.S.A. | United States | Arizona | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southwestern U.S.A. | United States | California | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Subarctic America | Canada | Yukon | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Western Canada | Canada | British Columbia | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Pacific | North-Central Pacific | United States | Hawaii | | Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource). |
| 4 | Naturalized | Pacific | North-Central Pacific | United States | United States Minor Outlying Islands | | Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource). |
| 4 | Naturalized | Southern America | Brazil | Brazil | Rio Grande do Sul | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 4 | Naturalized | Southern America | Brazil | Brazil | Santa Catarina | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 4 | Naturalized | Southern America | Caribbean | Hispaniola | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Caribbean | Jamaica | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Central America | Costa Rica | | | Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:692. |
| 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. 48:692. |
| 4 | Naturalized | Southern America | Southern South America | Argentina | | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 4 | Naturalized | Southern America | Southern South America | Chile | | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 4 | Naturalized | Southern America | Southern South America | Uruguay | | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 4 | Naturalized | Southern America | Western South America | Bolivia | | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 4 | Naturalized | Southern America | Western South America | Ecuador | | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 4 | Naturalized | Southern America | Western South America | Peru | | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |