"*Juglans oliviformis Michx." . "*Carya pecan (Marshall) Engl. & Graebn." . . "Pecan"@en . . . "*Hicorius pecan (Marshall) Britton" . . "*Carya oliviformis (Michx.) Nutt." . . . "The pecan (Carya illinoinensis) is a species of hickory native to Mexico and the southcentral and southeastern regions of the United States."@en . . . "*Juglans pecan Marshall" . "*Juglans illinoinensis Wangenh." . . .