• Dioscorea Linnaeus, 1753
• Dioscorea alata Linnaeus
• Dioscorea altissima Lam.
• Dioscorea bacilliform virus
• Dioscorea batatas Dcne. accepted as Dioscorea oppositifolia Linnaeus
• Dioscorea bolojonica Blanco accepted as Pueraria phaseoloides (Roxb.) Benth.
• Dioscorea bulbifera Linnaeus
• Dioscorea cayenensis Lam.
• Dioscorea cayennensis Lam.
• Dioscorea composita Hemsley
• Dioscorea convolvulacea Cham. & Schldl.
• Dioscorea dumetorum (Kunth) Pax
• Dioscorea elephantipes (L'Her.) Engl.
• Dioscorea esculenta (Lour.) Burkill
• Dioscorea floribunda C. Martius & Galeotti
• Dioscorea floridana Bartlett
• Dioscorea glauca Muhl. ex Bartlett accepted as Dioscorea quaternata J.F. Gmel.
• Dioscorea hirticaulis Bartlett accepted as Dioscorea villosa Linnaeus
• Dioscorea hirticaulus H.H. Bartlett
• Dioscorea hispida Dennst.
• Dioscorea japonica Thunb.
• Dioscorea macrostachya Benth.
• Dioscorea nummularia Lam.
• Dioscorea oppositifolia Linnaeus
• Dioscorea pentaphylla Linnaeus
• Dioscorea pilosiuscula Bertero ex Spreng.
• Dioscorea polygonoides Humb. & Bonpl. ex Willd.
• Dioscorea praehensilis Benth.
• Dioscorea preussii Pax
• Dioscorea quaternata J.F. Gmel.
• Dioscorea rotundata Poir.
• Dioscorea sagittata Poir.
• Dioscorea sansibarensis Pax
• Dioscorea spiculiflora Hemsley
• Dioscorea trifida L. f.
• Dioscorea villosa Linnaeus
• Dioscoreaceae R. Brown, 1810
• Dioscoreaecarpum G. Andreánszky, 1959 † (uncertain)
• Dioscoreales