This June 1, 2019, photo shows the rare desert wildflower Tiehm's buckwheat in the Silver Peak Range about 120 miles southeast of Reno, the only place it is known to exist in the world.

Patrick Donnelly/Center for Biological Diversity / AP

This June 1, 2019, photo shows the rare desert wildflower Tiehm's buckwheat in the Silver Peak Range about 120 miles southeast of Reno, the only place it is known to exist in the world.