Kaliwatan sa tanom nga ubi ang Dioscorea baya.^[1] Una ning gihulagway ni De Wild..^[2] Ang Dioscorea baya sakop sa kahenera nga Dioscorea, ug kabanay nga Dioscoreaceae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Kotidaybor
• Tunga-tungang Aprikanhong Republika
• Uganda
• Kamerun
• Zambiya
• Demokratikanhong Republika sa Konggo
• Congo
• Burundi
• Anggola
• Liberya
• Gabon

Ang kaliwatan gibahinbahin ngadto sa matang nga nahiubos:^[1]

• D. b. baya
• D. b. kimpundi

1. ↑ ^{1.0 1.1 1.2} Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 43180648. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ De Wild. (1912) , In: Ann. Mus. Congo Belge, Bot., sér. 5, 3: 357
3. ↑ Govaerts R. (ed). For a full list of reviewers see: http://apps.kew.org/wcsp/compilersReviewers.do (2019). WCSP: World Checklist of Selected Plant Families (version Aug 2017). In: Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist (Roskov Y., Ower G., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2019. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.