FILE - In this photo provided by the Center for Biological Diversity, Tiehm's buckwheat grows in the high desert in the Silver Peak Range of western Nevada about halfway between Reno and Las Vegas, June 1, 2019, where a lithium mine is planned. The Biden administration has taken a significant step in its expedited environmental review of what's next in line to become only the third U.S. lithium mine, as conservationists fear it will lead to the extinction of the endangered Nevada wildflower near the California line. (Patrick Donnelly/Center for Biological Diversity via AP, File)