Texas Vascular Plant Checklist:  Zygophyllaceae
The Creosote Bush Family
(Magnoliophyta, Magnoliopsida, Rosidae)

 Guajacum
   angustifolium Engelm. (guayacan, soap-bush)

 Kallstroemia
   californica (S. Wats.) Vail (california caltrop)
   grandiflora Torr. ex Gray (orange caltrop, arizona-poppy, mexican-poppy, desert poppy)
   hirsutissima Vail ex Small (hairy caltrop, carpetweed)
   maxima (L.) Hook. & Arn. (big caltrop)
   parviflora J.B.S. Norton (warty caltrop)
   perennans B.L. Turner (perennial caltrop)

 Larrea
   tridentata var. tridentata (creosotebush, gobernadora, hediondilla)

 Peganum
   harmala L. (harmal peganum)
   mexicanum Gray (mexican peganum, garbancillo, limoncille)

 Tribulus
   cistoides L. (burr nut)
   terrestris L. (puncture vine, bullhead, goathead, caltrop, cadillo, abrojo de flor amarilla)

 Zygophyllum
   fabago L. (syrian bean caper)