| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | | Fowells, H. A. 1965. Silvics of forest trees of the United States. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | | Fowells, H. A. 1965. Silvics of forest trees of the United States. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Oklahoma | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Pennsylvania | | Fowells, H. A. 1965. Silvics of forest trees of the United States. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | West Virginia | | Isely, D. & F. J. Peabody. 1984. Robinia (Leguminosae: Papilionoideae). Castanea 49:195. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | | Fowells, H. A. 1965. Silvics of forest trees of the United States. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | | Fowells, H. A. 1965. Silvics of forest trees of the United States. |
| 2 | Cultivated | | | | | also cult. elsewhere | |
| 2 | Cultivated | Asia-Temperate | Caucasus | Georgia | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 2 | Cultivated | Asia-Temperate | China | China | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 2 | Cultivated | Asia-Temperate | Eastern Asia | Japan | | | Iwatsuki, K. et al. 1993-. Flora of Japan. |
| 2 | Cultivated | Asia-Temperate | Eastern Asia | Korea | | | Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:127. |
| 2 | Cultivated | Asia-Temperate | Middle Asia | Kazakhstan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 2 | Cultivated | Asia-Temperate | Middle Asia | Tajikistan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 2 | Cultivated | Asia-Temperate | Middle Asia | Uzbekistan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 2 | Cultivated | Asia-Temperate | Russian Far East | Russian Federation | Primorye | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 2 | Cultivated | Asia-Tropical | Indian Subcontinent | India | | | Kumar, S & P. V. Sane. 2003. Legumes of South Asia: a checklist. |
| 2 | Cultivated | Asia-Tropical | Indian Subcontinent | Pakistan | | | Kumar, S & P. V. Sane. 2003. Legumes of South Asia: a checklist. |
| 2 | Cultivated | Australasia | Australia | Australia | | | Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia |
| 2 | Cultivated | Australasia | New Zealand | New Zealand | | | Allan, H. H. B. et al. 1961-. Flora of New Zealand. |
| 2 | Cultivated | Europe | | Europe | | | Vítková, M. et al. 2017. Black locust (Robinia pseudoacacia) beloved and despised: a story of an invasive tree in central Europe. Forest Ecol. Managem. 15:287-302. DOI: 10.1016/j.foreco.2016.10.057. |
| 4 | Naturalized | Africa | Southern Africa | South Africa | | | 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 | Caucasus | Armenia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Asia-Temperate | Caucasus | Azerbaijan | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Asia-Temperate | Caucasus | Georgia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 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 | | | Iwatsuki, K. et al. 1993-. Flora of Japan. |
| 4 | Naturalized | Asia-Temperate | Eastern Asia | Korea | | | Invasive Species Specialist Group (ISSG) of the IUCN Species Survival Commission; National Biological Information Infrastructure, Manaaki Whenua-Landcare Research and the University of Auckland. Global invasive species database (on-line resource). |
| 4 | Naturalized | Asia-Temperate | Western Asia | Cyprus | | | Invasive Species Specialist Group (ISSG) of the IUCN Species Survival Commission; National Biological Information Infrastructure, Manaaki Whenua-Landcare Research and the University of Auckland. Global invasive species database (on-line resource). |
| 4 | Naturalized | Asia-Temperate | Western Asia | Israel | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Asia-Temperate | Western Asia | Turkey | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Asia-Tropical | Indian Subcontinent | India | | | Kumar, S & P. V. Sane. 2003. Legumes of South Asia: a checklist. |
| 4 | Naturalized | Asia-Tropical | Indian Subcontinent | Pakistan | | | Kumar, S & P. V. Sane. 2003. Legumes of South Asia: a checklist. |
| 4 | Naturalized | Australasia | Australia | Australia | | | Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11. |
| 4 | Naturalized | Australasia | New Zealand | New Zealand | | | Allan, H. H. B. et al. 1961-. Flora of New Zealand. |
| 4 | Naturalized | Europe | Eastern Europe | Belarus | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Eastern Europe | Estonia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Eastern Europe | Latvia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 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 | Eastern Europe | Moldova | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Eastern Europe | Russian Federation-European part | European part | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 4 | Naturalized | Europe | Eastern Europe | Ukraine | | incl. Krym | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Middle Europe | Austria | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Middle Europe | Belgium | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Middle Europe | Czech Republic | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Middle Europe | Germany | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Middle Europe | Hungary | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Middle Europe | Netherlands | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Middle Europe | Switzerland | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Northern Europe | United Kingdom | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Southeastern Europe | Albania | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Southeastern Europe | Bulgaria | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Southeastern Europe | Greece | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Southeastern Europe | Italy | | incl. Sardinia | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Southeastern Europe | Romania | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Southwestern Europe | France | | incl. Corsica | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Southwestern Europe | Spain | | incl. Baleares | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Northern America | | Canada | | | Invasive Species Specialist Group (ISSG) of the IUCN Species Survival Commission; National Biological Information Infrastructure, Manaaki Whenua-Landcare Research and the University of Auckland. Global invasive species database (on-line resource). |
| 4 | Naturalized | Northern America | | United States | | beyond native range | Invasive Species Specialist Group (ISSG) of the IUCN Species Survival Commission; National Biological Information Infrastructure, Manaaki Whenua-Landcare Research and the University of Auckland. Global invasive species database (on-line resource). |
| 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. |