| Dioscorea abyssinica Hochst. ex Kunth |
Accepted |
20 |
| Dioscorea alata L. |
Accepted |
25 |
| Dioscorea althaeoides R. Knuth |
Accepted |
10 |
| Dioscorea aspersa Prain & Burkill |
Accepted |
20 |
| Dioscorea banzhuana S. J. Pei & C. T. Ting |
Accepted |
10 |
| Dioscorea belophylla (Prain) Voigt ex Haines |
Accepted |
30 |
| Dioscorea benthamii Prain & Burkill |
Accepted |
50 |
| Dioscorea bernoulliana Prain & Burkill |
Accepted |
18 |
| Dioscorea biformifolia S. J. Pei & C. T. Ting |
Accepted |
10 |
| Dioscorea bulbifera L. |
Accepted |
30 |
| Dioscorea caucasica Lipsky |
Accepted |
10 |
| Dioscorea cayennensis Lam. |
Accepted |
30 |
| Dioscorea ceratandra Uline ex R. Knuth |
Accepted |
18 |
| Dioscorea chingii Prain & Burkill |
Accepted |
10 |
| Dioscorea chouardii Gaussen |
Accepted |
12 |
| Dioscorea cirrhosa Lour. |
Accepted |
20 |
| Dioscorea collettii Hook. |
Accepted |
10 |
| Dioscorea collettii var. hypoglauca (Palib.) S. J. Pei & C. T. Ting |
Accepted |
20 |
| Dioscorea composita Hemsl. |
Accepted |
18 |
| Dioscorea convolvulacea Cham. & Schltdl. |
Accepted |
18 |
| Dioscorea deltoidea Wall. ex Griseb. |
Accepted |
10 |
| Dioscorea dumetorum (Kunth) Pax |
Accepted |
20 |
| Dioscorea escuintlensis Matuda |
Accepted |
18 |
| Dioscorea esculenta (Lour.) Burkill |
Accepted |
45 |
| Dioscorea exalata C. T. Ting & M. C. Chang |
Accepted |
30 |
| Dioscorea floribunda M. Martens & Galeotti |
Accepted |
18 |
| Dioscorea fordii Prain & Burkill |
Accepted |
20 |
| Dioscorea futschauensis Uline ex R. Knuth |
Accepted |
20 |
| Dioscorea galeottiana Kunth |
Accepted |
26 |
| Dioscorea glabra Roxb. |
Accepted |
20 |
| Dioscorea gracillima Miq. |
Accepted |
10 |
| Dioscorea hastata Mill. |
Accepted |
60 |
| Dioscorea hemsleyi Prain & Burkill |
Accepted |
30 |
| Dioscorea hirtiflora Benth. |
Accepted |
20 |
| Dioscorea hispida Dennst. |
Accepted |
20 |
| Dioscorea hondurensis R. Knuth |
Accepted |
18 |
| Dioscorea japonica Thunb. |
Accepted |
20 |
| Dioscorea kalkapershadii Prain & Burkill |
Accepted |
40 |
| Dioscorea kamoonensis Kunth |
Accepted |
30 |
| Dioscorea mangenotiana J. Miège |
Accepted |
20 |
| Dioscorea melanophyma Prain & Burkill |
Accepted |
20 |
| Dioscorea mexicana Scheidw. |
Accepted |
18 |
| Dioscorea minutiflora Engl. |
Accepted |
60 |
| Dioscorea nipponica Makino |
Accepted |
10 |
| Dioscorea nitens Prain & Burkill |
Accepted |
30 |
| Dioscorea oppositifolia L. |
Accepted |
20 |
| Dioscorea panthaica Prain & Burkill |
Accepted |
20 |
| Dioscorea pentaphylla L. |
Accepted |
35 |
| Dioscorea poilanei Prain & Burkill |
Accepted |
10 |
| Dioscorea polygonoides Humb. & Bonpl. ex Willd. |
Accepted |
18 |
| Dioscorea polystachya Turcz. |
Accepted |
70 |
| Dioscorea praehensilis Benth. |
Accepted |
20 |
| Dioscorea prazeri Prain & Burkill |
Accepted |
10 |
| Dioscorea preussii Pax |
Accepted |
20 |
| Dioscorea pubera Blume |
Accepted |
20 |
| Dioscorea pyrenaica Bubani & Bordère ex Gren. |
Accepted |
12 |
| Dioscorea pyrenaica Bubani & Bordère ex Gren. |
Accepted |
12 |
| Dioscorea quaternata J. F. Gmel. |
Accepted |
18 |
| Dioscorea reticulata Gay |
Accepted |
None |
| Dioscorea sansibarensis Pax |
Accepted |
20 |
| Dioscorea septemloba Thunb. |
Accepted |
10 |
| Dioscorea simulans Prain & Burkill |
Accepted |
10 |
| Dioscorea sinuata Vell. |
Accepted |
17 |
| Dioscorea smilacifolia D. Wild. & T. Durand |
Accepted |
60 |
| Dioscorea spiculiflora Hemsl. |
Accepted |
18 |
| Dioscorea subcalva Prain & Burkill |
Accepted |
30 |
| Dioscorea tentaculigera Prain & Burkill |
Accepted |
20 |
| Dioscorea tenuipes Franch. & Sav. |
Accepted |
20 |
| Dioscorea togoensis R. Knuth |
Accepted |
20 |
| Dioscorea tokoro Makino ex Miyabe |
Accepted |
10 |
| Dioscorea tomentosa J. Koenig ex Spreng. |
Accepted |
20 |
| Dioscorea trifida L. |
Accepted |
20 |
| Dioscorea villosa L. |
Accepted |
30 |
| Dioscorea wallichii Hook. |
Accepted |
20 |
| Dioscorea yunnanensis Prain & Burkill |
Accepted |
20 |
| Dioscorea zingiberensis C. H. Wright |
Accepted |
10 |
| Dioscorea aculeata L. |
Unresolved |
20 |
| Dioscorea deltoides Wall. |
Unresolved |
10 |
| Dioscorea nentaphylla L. |
Unresolved |
60 |
| Dioscorea shimperana Hochst. ex Kunth |
Unresolved |
40 |
| Dioscorea alata Linn. |
Synonym of Dioscorea alata L. |
25 |
| Dioscorea alata var. purpurea (Roxb.) A. Pouchet |
Synonym of Dioscorea alata L. |
25 |
| Dioscorea balcanica None |
Synonym of Dioscorea balcanica Košanin |
10 |
| Dioscorea belophylla None |
Synonym of Dioscorea belophylla (Prain) Voigt ex Haines |
30 |
| Dioscorea bulbifera var. pulchella (Roxb.) Prain |
Synonym of Dioscorea bulbifera L. |
30 |
| Dioscorea bulbifera var. sativa Prain |
Synonym of Dioscorea bulbifera L. |
30 |
| Dioscorea caucasica |
Synonym of Dioscorea caucasica Lipsky |
10 |
| Dioscorea cayenensis Lam. |
Synonym of Dioscorea cayenensis |
20 |
| Dioscorea cayennensis None |
Synonym of Dioscorea cayennensis Lam. |
30 |
| Dioscorea rotundata Poir. |
Synonym of Dioscorea cayennensis subsp. rotundata (Poir.) J. Miège |
20 |
| Dioscorea rotundata Poir. |
Synonym of Dioscorea cayennensis subsp. rotundata (Poir.) J. Miège |
20 |
| Borderea chouardii (Gaussen) Gaussen & Heslot |
Synonym of Dioscorea chouardii Gaussen |
12 |
| Dioscorea cirrhosa var. cylindrica C. T. Ting & M. C. Chang |
Synonym of Dioscorea cirrhosa Lour. |
20 |
| Tamus communis L. |
Synonym of Dioscorea communis (L.) Caddick & Wilkin |
24 |
| Tamus edulis Lowe |
Synonym of Dioscorea communis (L.) Caddick & Wilkin |
24 |
| Dioscorea henryi (Prain & Burkill) C. T. Ting |
Synonym of Dioscorea delavayi Franch. |
20 |
| Dioscorea discolor Kunth |
Synonym of Dioscorea dodecaneura Vell. |
20 |
| Dioscorea spinosa Roxb. ex Hook. |
Synonym of Dioscorea esculenta (Lour.) Burkill |
45 |
| Dioscorea persimilis Prain & Burkill |
Synonym of Dioscorea hamiltonii Hook. |
20 |
| Dioscorea hirtiflora Pax |
Synonym of Dioscorea hirtiflora Benth. |
20 |
| Dioscorea fargesii Franch. |
Synonym of Dioscorea kamoonensis Kunth |
30 |
| Dioscorea nipponica var. rosthornii (Diels) Prain & Burkill |
Synonym of Dioscorea nipponica Makino |
10 |
| Dioscorea opposita Thunb. |
Synonym of Dioscorea oppositifolia L. |
20 |
| Dioscorea oppositifolia var. linnaei Prain & Burkill |
Synonym of Dioscorea oppositifolia L. |
20 |
| Dioscorea pentaphylla var. jacquemontii (Hook.) Prain & Burkill |
Synonym of Dioscorea pentaphylla L. |
35 |
| Dioscorea pentaphylla var. linnaei Prain & Burkill |
Synonym of Dioscorea pentaphylla L. |
35 |
| Dioscorea pentaphylla var. rheedei Prain & Burkill |
Synonym of Dioscorea pentaphylla L. |
35 |
| Dioscorea batatas Decne. |
Synonym of Dioscorea polystachya Turcz. |
70 |
| Dioscorea prazeri Prain & B. kill |
Synonym of Dioscorea prazeri Prain & Burkill |
10 |
| Dioscorea anguina Roxb. |
Synonym of Dioscorea pubera Blume |
20 |
| Borderea pyrenaica Miégev. |
Synonym of Dioscorea pyrenaica Bubani & Bordère ex Gren. |
12 |
| Dioscorea quinqueloba Thunb. |
Synonym of Dioscorea quinquelobata Thunb. |
10 |
| Dioscorea macroura Harms |
Synonym of Dioscorea sansibarensis Pax |
20 |
| Dioscorea parviflora C. T. Ting |
Synonym of Dioscorea sinoparviflora C. T. Ting & M. G. Gilbert & Turland |
10 |
| Dioscorea friedrichsthalii R. Knuth |
Synonym of Dioscorea spiculiflora Hemsl. |
18 |
| Dioscorea subcalva var. submollis (R. Knuth) C. T. Ting & P. P. Ling |
Synonym of Dioscorea subcalva Prain & Burkill |
30 |
| Dioscorea paniculata Michx. |
Synonym of Dioscorea villosa L. |
30 |
| Dioscorea sativa L. |
Synonym of Dioscorea villosa L. |
30 |
