Potentilla basaltica is a species of flowering plant in the rose family known by the common names Soldier Meadows cinquefoil and basalt cinquefoil. It is endemic to a small area of the Modoc Plateau and Warner Mountains in northeastern California and northwestern Nevada. Potentilla basaltica occurs in Humboldt County, Nevada, and Lassen County, California, where there are a total of four occurrences. It grows in moist alkaline meadows near streams and springs. Stems are up to 50 centimeters long and may be purple-tinged. Most of the leaves are located around the base of the plant. They are each divided into several pairs of leaflets. There are a few smaller leaves located along the stems. Flowers. The flowers at the ends of the stems have bright yellow petals.