| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Dioscorea monadelpha Griseb. | E. Hassler 12653 May 1913 | Paraguay. Paraguaria Centralis: In regione lacus Ypacaray. | 00617925 |  | |
| Dioscorea clemensii R.Knuth | J. Clemens 6474 with M. S. Clemens, 13 Aug 1929 | Malaysia. Sarawak. Kapit. | isotype | 00319323 |  |
| Dioscorea glabra var. pahagensis Prain & Burkill | M. R. Henderson 22105 21 Jul 1929 | Singapore. Malay Peninsula. Pahang: Sungai Perhang, lake Tembeling [sp?]. Altitud low. | isolectotype | 00319315 |  |
| Dioscorea nitroidea T.Clayton | G. Mandon 1230 Feb-Apr 1860 | Bolivia. Prov. Larecaja. Vicinis Sorata, Cerro del [sp?], San Pedro. [sp?]. | holotype | 00248149 |  |
| Dioscorea concepcionis Chodat & Hassl. | E. Hassler 6861 Dec 1900 | Paraguay. In regione cursus superioris fluminis Y-acá. | isosyntype | 00248108 |  |
| Dioscorea ovata Vell. | F. C. Hoehne 5715 with Aug. Gehrt, 06 Oct 1936 | Brazil. São Paulo. Est. Biol., A. Serra, Sao Paulo. | 00643754 |  | |
| Dioscorea spicata (Vell.) Pedralli | B. D. Sucre 6623 16 Apr 1970 | Brazil. Rio de Janeiro. Guanabara; Morro Dna. Marta. | 00643854 |  | |
| Dioscorea spicata (Vell.) Pedralli | B. D. Sucre 8514 24 Feb 1972 | Brazil. Rio de Janeiro. Guanabara, Morro Queimado. | 00643855 |  | |
| Dioscorea marginata Griseb. | G. A. Romero 1657 with F. Guanchez, 11 Oct 1988 | Venezuela. Conuco indigena recien fundado, N de Raudalito, Rio Sipapo. | 00643856 | ||
| Dioscorea soror Prain & Burkill | A. D. E. Elmer 6737 Nov 1904 | Philippines. Bataan. Mt. Mariveles. Island Luzon. | isotype | 00319330 |  |
| Dioscorea polyphylla R.Knuth | P. T. Barnes Forestry Bureau No. 69 Nov. 1903 | Philippines. Bataan. Lamao river. Luzon. | possible type | 00319329 |  |
| Dioscorea sandwithii B.G.Schub. | S. Bampton 25 16 Dec 1959 | Belize. Collected [originally] near Belize, 23 Feb 1959. | possible type | 00230687 |  |
| Dioscorea rumicoides Griseb. | B. D. Sucre 6361 25 Nov 1969 | Brazil. Rio de Janeiro. Guanabara, Reserva da Mata da Tijuca, pelo Grajau. | 00643799 |  | |
| Dioscorea rumicoides Griseb. | B. D. Sucre 9921 02 Apr 1973 | Brazil. Rio de Janeiro. Serra de Barata, Reserva da Represa do Piraraquara, Realengo. | 00643800 |  | |
| Dioscorea jaliscana S.Watson | C. G. Pringle 4528 08 Sep 1893 | Mexico. Jalisco. Near Guadalajara. | 00248057 |  | |
| Dioscorea delicata R.Knuth | A. Gehrt 5715 09 Jul 1921 | Brazil. São Paulo. Alto da Serra. Planta da Estaçao Biologica. | isotype | 00248110 |  |
| Dioscorea sikkimensis Prain & Burkill | Herb. Griffith 5555 s.d. | India. East Himalaya. | isolectotype | 00319320 |  |
| Dioscorea lanosa Gleason | J. S. de la Cruz 3875 10 May 1923-23 May 1923 | Guyana. North West. Wanama river. | holotype | 00248137 |  |
| Dioscorea chaponensis R.Knuth | A. E. Lawrance 329 16 Jul 1932 | Colombia. Boyacá. Region of Mt. Chapon, extreme western part of Dept. Boyaca, 100 m north-west of Bogota. | isotype | 00248103 |  |
| Dioscorea cyphocarpa B.L.Rob. | C. G. Pringle 10339 13 Oct 1906 | Mexico. Guerrero. Iguala Canyon. | isotype | 00248050 |  |