Texas Vascular Plant Checklist:  Ephedraceae
The Mormon Tea Family
(Pinophyta, Ephedropsida, Ephedridae)

 Ephedra
   antisyphilitica Berl. ex C.A. Mey. (vine ephedra, vine joint-fir, clapweed)
   aspera Engelm. ex S. Wats. (rough joint fir)
   coryi E.L. Reed (cory ephedra, mormon tea)
   pedunculata Engelm. ex S. Wats. (vine ephedra, mormon tea)
   torreyana var. powelliorum T. Wendt (torrey ephedra, mormon tea, torrey joint-fir)
   torreyana var. torreyana
   trifurca Torr. ex S. Wats. (longleaf ephedra, mormon tea, canitilla)