Kaliwatan sa tanom nga ubi ang Dioscorea trifoliata.^[1] Una ning gihulagway ni Carl Sigismund Kunth.^[2] Ang Dioscorea trifoliata sakop sa kahenera nga Dioscorea, ug kabanay nga Dioscoreaceae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Trinidad ug Tobago
• Peru
• Venezuela
• amihanang Brasil
• Bolibiya
• Colombia
• Panama

Walay nalista nga matang nga sama niini.^[1]

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: 43181855. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ F.W.H.von Humboldt, A.J.A.Bonpland & C.S.Kunth (1816) , In: Nov. Gen. Sp. 1: 275
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.