Packera streptanthifolia is a species of flowering plant in the aster family known by the common name Rocky Mountain groundsel. It is native to western North America from Alaska to California to New Mexico, where it can be found in mountain habitat including woodlands and rocky slopes. The inflorescence is a loose array of two or more flower heads with yellow disc florets and usually either 8 or 13 yellow ray florets up to a centimeter long each.