'Ephedra antisyphilitica Bert. Mist Torrey per Smithson. Institute. 1872. Mexican Boundary Survey. Collected under the direction of Major W.H. Emory, Commissioner, chiefly in the Valley of the Rio Grande, below Donana - by C.C. Parry, M.D., J.M. Bigelow, M.D., Mr. Charles Wright, and Mr. A.Schott. N 1388' "Ephedra torreyana S. Wats. det. S.M. Ickert-Bond Jun. 2013. Revision of New World Ephedra. University of Alaska Museum Herbarium (ALA)"