| 2 | Cultivated | | | | | also cult. elsewhere | |
| 2 | Cultivated | Africa | | Africa | | | 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-Far East | Far East | | 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-Temperate | Western Asia | Turkey | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (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) 8:77-80. |
| 2 | Cultivated | Asia-Tropical | Malesia | Indonesia | | | 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) 8:77-80. |
| 2 | Cultivated | Asia-Tropical | Malesia | Malaysia | | | 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) 8:77-80. |
| 2 | Cultivated | Asia-Tropical | Malesia | Philippines | | | 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) 8:77-80. |
| 2 | Cultivated | Asia-Tropical | Papuasia | Papua New Guinea | | | 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) 8:77-80. |
| 2 | Cultivated | Europe | | Europe | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 4:2267-2269. |
| 2 | Cultivated | Northern America | | North America | | | FNA Editorial Committee. 1993-. Flora of North America. |
| 2 | Cultivated | Southern America | | South America | | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 2 | Cultivated | Southern America | Central America | Central America | | | Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala. |