Arnold G. Tiehm

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.

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Draba serpentina is a species of flowering plant in the family Brassicaceae known by the common name serpentine draba. It is endemic to Nevada in the United States, where it occurs in the Snake Range in White Pine County and the Toiyabe Range of Lander County. Until 2007 this taxon was treated as a variety of Draba oreibata. The two were separated because they are different in morphology, in chromosome number, and in distribution, as they grow over 480 kilometers apart. This is a small cushion-like plant with stems 3 to 13 centimeters long. It has up to 14 white flowers in its inflorescence,

Toiyabea granitica, common names granite serpentweed and Lone Mountain serpentweed, is a rare endemic plant species known only from the east side of Lone Mountain in Esmeralda County, Nevada, about 20 km (12.5 miles) west of Tonopah. It grows there in the crevices of granitic outcrops. Toiyabea granitica is a perennial herb growing close to the ground and forming mats. Leaves are ovate to spatulate, irregularly toothed, up to 4 cm (1.6 inches) long. Flower heads are born in racemose or corymbiform arrays. There are no ray flowers, but up to 23 yellow disc flowers.

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Toiyabea granitica, common names granite serpentweed and Lone Mountain serpentweed, is a rare endemic plant species known only from the east side of Lone Mountain in Esmeralda County, Nevada, about 20 km (12.5 miles) west of Tonopah. It grows there in the crevices of granitic outcrops. Toiyabea granitica is a perennial herb growing close to the ground and forming mats. Leaves are ovate to spatulate, irregularly toothed, up to 4 cm (1.6 inches) long. Flower heads are born in racemose or corymbiform arrays. There are no ray flowers, but up to 23 yellow disc flowers.