Here is some basic information about Ephedra californica and a list of ethnobotanical uses which includes medicinal uses and other uses of Ephedra californica.
Ephedra californica basic info
Scientific Name: Ephedra californica S. Watson.
Common names in English: California joint-fir, desert-tea.
Ephedra californica is a species of Ephedra, native to many diverse areas of central and southern California, Baja California, and west Arizona. Known by the common names California jointfir, California ephedra, desert tea, and cañatillo. It was used by the indigenous peoples of California as a medicinal plant, culinary ingredient, and for making tools. - for more info about Ephedra californica See link
Ethnobotanical and folk medicinal uses of Ephedra californica
*The information in this list is based on the ethnobotanical data in Dr. Duke's Phytochemical and Ethnobotanical Databases.
Dr. Duke does not recommend using this information for self diagnosis or self medication. - See link
Ephedra californica in other websites
Ephedra californica common names, economics importance, distributional range and more in the USDA GRIN website - See link
Search PubMed (US National Library of Medicine National Institutes of Health) for academic researches with the search term Ephedra californica - See link
See if there is something in Youtube on the term Ephedra californica - See link