Physaria kingii is a species of flowering plant in the family Brassicaceae known by the common name King bladderpod.

It is native to western North America from Utah to Baja California, where it grows in dry and rocky habitat, such as deserts and adjacent mountain slopes.

The leaves form a patch or rosette around the caudex, each up to 6 centimeters long and round, oval, diamond, or spoonlike in shape.

bernardina), is a very rare plant known from only a few spots near Big Bear in the San Bernardino Mountains of southern California.

Because of threats to the plant from mining and other human activities, this subspecies is treated as an endangered species on the federal level.