Mexican Yam Dioscorea Mexicana
Gary Retherford
Mexican Yam Dioscorea Mexicana #1
Gary Retherford
Mexican Yam Dioscorea Mexicana #2
Gary Retherford
Harvested Yams
Inga Spence
Sweet Potato, Sem #2
Scimat
Sprouting Sweet Potato
Gregory G. Dimijian, M.D.
Sweet Potato, Sem #1
Scimat