Physaria parviflora (syn. Lesquerella parviflora) is a species of flowering plant in the mustard family known by the common names Piceance bladderpod and frosty bladderpod. It is endemic to Colorado in the United States, where it occurs in Garfield, Mesa, and Rio Blanco Counties. There are about 31 known populations of this plant. It is threatened by oil shale mining in its habitat. Other threats include off-road vehicles and overgrazing.