| 2 | Cultivated | Africa | Northeast Tropical Africa | Chad | | | Massawe, F. J. et al. 2005. Breeding in bambara groundnut (Vigna subterranea (L.) Verdc.): strategic considerations. African J. Biotech. 4:463-471. Note: this study mentions the existance of numerous landraces in Africa, but "there are no improved varieties" |
| 2 | Cultivated | Africa | South Tropical Africa | Mozambique | | | Exell, A. W. et al., eds. 1960-. Flora zambesiaca. |
| 2 | Cultivated | Africa | South Tropical Africa | Zambia | | | Exell, A. W. et al., eds. 1960-. Flora zambesiaca. |
| 2 | Cultivated | Africa | South Tropical Africa | Zimbabwe | | | Massawe, F. J. et al. 2005. Breeding in bambara groundnut (Vigna subterranea (L.) Verdc.): strategic considerations. African J. Biotech. 4:463-471. Note: this study mentions the existance of numerous landraces in Africa, but "there are no improved varieties" |
| 2 | Cultivated | Africa | Southern Africa | Botswana | | | Massawe, F. J. et al. 2005. Breeding in bambara groundnut (Vigna subterranea (L.) Verdc.): strategic considerations. African J. Biotech. 4:463-471. Note: this study mentions the existance of numerous landraces in Africa, but "there are no improved varieties" |
| 2 | Cultivated | Africa | West Tropical Africa | Burkina Faso | | | Maxted, N. et al. 2004. An ecogeographic study African Vigna. Syst. Ecogeogr. Stud. Crop Genepools 11:28-29. Note: International Plant Genetic Resources Institute (IPGRI) |
| 2 | Cultivated | Africa | West Tropical Africa | Côte D'Ivoire | | | Maxted, N. et al. 2004. An ecogeographic study African Vigna. Syst. Ecogeogr. Stud. Crop Genepools 11:28-29. Note: International Plant Genetic Resources Institute (IPGRI) |
| 2 | Cultivated | Africa | West Tropical Africa | Ghana | | | Maxted, N. et al. 2004. An ecogeographic study African Vigna. Syst. Ecogeogr. Stud. Crop Genepools 11:28-29. Note: International Plant Genetic Resources Institute (IPGRI) |
| 2 | Cultivated | Africa | West Tropical Africa | Mali | | | Massawe, F. J. et al. 2005. Breeding in bambara groundnut (Vigna subterranea (L.) Verdc.): strategic considerations. African J. Biotech. 4:463-471. Note: this study mentions the existance of numerous landraces in Africa, but "there are no improved varieties" |
| 2 | Cultivated | Africa | West Tropical Africa | Niger | | | Maxted, N. et al. 2004. An ecogeographic study African Vigna. Syst. Ecogeogr. Stud. Crop Genepools 11:28-29. Note: International Plant Genetic Resources Institute (IPGRI) |
| 2 | Cultivated | Africa | West Tropical Africa | Nigeria | | | Maxted, N. et al. 2004. An ecogeographic study African Vigna. Syst. Ecogeogr. Stud. Crop Genepools 11:28-29. Note: International Plant Genetic Resources Institute (IPGRI) |
| 2 | Cultivated | Africa | West Tropical Africa | Togo | | | Massawe, F. J. et al. 2005. Breeding in bambara groundnut (Vigna subterranea (L.) Verdc.): strategic considerations. African J. Biotech. 4:463-471. Note: this study mentions the existance of numerous landraces in Africa, but "there are no improved varieties" |
| 2 | Cultivated | Africa | West-Central Tropical Africa | Cameroon | | | Massawe, F. J. et al. 2005. Breeding in bambara groundnut (Vigna subterranea (L.) Verdc.): strategic considerations. African J. Biotech. 4:463-471. Note: this study mentions the existance of numerous landraces in Africa, but "there are no improved varieties" |
| 2 | Cultivated | Africa | Western Indian Ocean | Madagascar | | | Maxted, N. et al. 2004. An ecogeographic study African Vigna. Syst. Ecogeogr. Stud. Crop Genepools 11:28-29. Note: International Plant Genetic Resources Institute (IPGRI) |
| 2 | Cultivated | Asia-Tropical | Indian Subcontinent | India | | | Maxted, N. et al. 2004. An ecogeographic study African Vigna. Syst. Ecogeogr. Stud. Crop Genepools 11:28-29. Note: International Plant Genetic Resources Institute (IPGRI) |