. "*Dioscorea longifolia (Raf.)" . "*Dioscorea lloydiana (E.H.L.Krause)" . "*Dioscorea repanda (Raf.)" . . "*Dioscorea quinata (Walter)" . . "*Merione villosa (L.) Salisb.)" . . . . "*Dioscorea hirticaulis (Bartlett)" . . "*Dioscorea hexaphylla (Raf.)" . "*Dioscorea paniculata (Michx.)" . "*Dioscorea megaptera (Raf.)" . "Dioscorea villosa is a species of a twining tuberous vine that is native to eastern North America. It is common and widespread in a range stretching from Texas and Florida north to Minnesota, Ontario and Massachusetts.Creams and dietary supplements made from Dioscorea villosa are claimed to contain human hormones and promoted as a medicine for a variety of purposes, including cancer prevention and the treatment of Crohn's disease and whooping cough."@en . . "*Dioscorea quaternata (Walter)" . "*Dioscorea pruinosa (Kunth)" . "*Dioscorea waltheri (Desf.)" . "*Dioscorea sativa (L.)" . . "*Dioscorea glauca (Muhl. ex L.C.Beck)" . "*Dioscorea cliffortiana (Lam.)" .