Yam (Dioscorea) is a biological genus in the family Dioscoreaceae (Yam Family) and order Dioscoreales.
Dioscorea bulbifera
Dioscorea dumetorum
Dioscorea pilosiuscula
Dioscorea praehensilis
Dioscorea polystachya
Dioscorea deltoidea
Dioscorea mexicana
Dioscorea oppositifolia
Dioscorea polygonoides
Dioscorea sagittata
Dioscorea altissima
Dioscorea pentaphylla
Dioscorea floridana
Dioscorea rotundata
Dioscorea elephantipes
Dioscorea trifida
Dioscorea hispida
Dioscorea japonica
Dioscorea esculenta
Dioscorea preussii
Dioscorea villosa
Dioscorea alata
Dioscorea spiculiflora
Dioscorea floribunda
Dioscorea composita
Dioscorea convolvulacea
Dioscorea nummularia
Dioscorea cayenensis
Dioscorea sansibarensis