Potentilla kingii

Potentilla kingii, also known as King's mousetail, is a species of flowering plant in the rose family.

It is native to the southwestern United States, where it is known from eastern California, Nevada, and Utah.

One variety of this species, var. eremica, is endemic to Ash Meadows in the Amargosa Desert, in Nye County, Nevada, on the California-Nevada border. It is federally listed as a threatened species of the United States.