| 2 | Cultivated | | | | | also cult. elsewhere | |
| 2 | Cultivated | Africa | East Tropical Africa | Kenya | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | East Tropical Africa | Tanzania | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | East Tropical Africa | Uganda | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | Macaronesia | Cabo Verde | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | Northeast Tropical Africa | Ethiopia | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | Northeast Tropical Africa | Sudan | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | West Tropical Africa | Benin | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | West Tropical Africa | Côte D'Ivoire | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | West Tropical Africa | Ghana | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | West Tropical Africa | Guinea | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | West Tropical Africa | Mali | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | West Tropical Africa | Nigeria | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | West-Central Tropical Africa | Congo | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Africa | West-Central Tropical Africa | Democratic Republic of the Congo | | | PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Caucasus | Armenia | | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Caucasus | Azerbaijan | | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Caucasus | Georgia | | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Caucasus | Russian Federation-Ciscaucasia | Ciscaucasia | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 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 | Middle Asia | Kazakhstan | | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Middle Asia | Kyrgyzstan | | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Middle Asia | Tajikistan | | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Middle Asia | Turkmenistan | | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Middle Asia | Uzbekistan | | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Russian Far East | Russian Federation | Amur | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Russian Far East | Russian Federation | Primorye | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Siberia | Russian Federation-Eastern Siberia | Eastern Siberia | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Siberia | Russian Federation-Western Siberia | Western Siberia | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Asia-Tropical | Indo-China | Indochina | | | Siemonsma, J. S. & Kasem Piluek, eds. 1993. Vegetables. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 8:64. Note: = Allium cepa Aggregatum Group |
| 2 | Cultivated | Australasia | Australia | Australia | | | Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia |
| 2 | Cultivated | Europe | | Europe | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: = Allium cepa Aggregatum Group |
| 2 | Cultivated | Europe | Eastern Europe | Russian Federation-European part | European part | | Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource). |
| 2 | Cultivated | Northern America | | Canada | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: = Allium cepa Aggregatum Group |
| 2 | Cultivated | Northern America | | United States | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: = Allium cepa Aggregatum Group |
| 2 | Cultivated | Southern America | Caribbean | West Indies | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: = Allium cepa Aggregatum Group |