Viola frank-smithii
 Viola frank-smithii is a rare species of violet known by the common name Frank Smith's violet. It is endemic to Utah in the United States where it is known only from Logan Canyon in the Bear River Range in Cache County.This perennial herb produces a stem a few centimeters long which is surrounded by the withered leaves of previous seasons and new leaves which are heart-shaped. The flower is pale purple except for the lowest petal which is greenish.