Texas Vascular Plant Checklist:  Juglandaceae
The Walnut Family
(Magnoliophyta, Magnoliopsida, Hamamelidae)

 Carya
   alba (L.) Nutt. ex Ell. (mockernut hickory, white hickory, white-hearted hickory)
   aquatica (Michx. f.) Nutt. (water hickory, swamp hickory, bitter pecan)
   cordiformis (Wangenh.) K. Koch (bitternut hickory, bitternut, pignut)
   glabra (P. Mill.) Sweet (pignut hickory)
   illinoinensis (Wangenh.) K. Koch (pecan)
   laciniosa (Michx. f.) G. Don (big shellbark hickory, king-hut)
   × lecontei Little [aquatica × illinoinensis]
   myristiciformis (Michx. f.) Nutt. (nutmeg hickory, nogal)
   ovata (P. Mill.) K. Koch (shagbark hickory, carolina hickory, shellbark hickory)
   texana Buckl. (black hickory, buckleys hickory)

 Juglans
   × bixbyi Rehd. [ailanthifolia × cinerea]
   major (Torr.) Heller (arizona walnut)
   microcarpa var. microcarpa
   microcarpa var. stewartii (I.M. Johnston) W. Manning
   nigra L. (black walnut)