FILE - This photo provided by the Center for Biological Diversity shows a Tiehm's buckwheat plant near the site of a proposed lithium mine in Nevada, May 22, 2020. (Patrick Donnelly/Center for Biological Diversity via AP, File)

FILE - A greenhouse used to grow Tiehm's buckwheat is shown in Gardnerville, Nevada, Tuesday, May 21, 2024. (AP Photo/Scott Sonner, file)

FILE - Botanist Florencia Peredo Ovalle holds a sample of Tiehm's buckwheat in her greenhouse in Gardnerville, Nevada, May 21, 2024. (AP Photo/Scott Sonner, file)