Texas Vascular Plant Checklist:  Dioscoreaceae
The Yam Family
(Magnoliophyta, Liliopsida, Liliidae)

 Dioscorea
   bulbifera L. (air yam)
   oppositifolia L. (chinese yam)
   quaternata J.F. Gmel. (four leaf yam)
   villosa L. (atlantic yam)