Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Angiospermae (Flowering Plants) » Magnoliopsida (Dicots) » Rosales (roses, elms, figs, and allies) » Rosaceae (rose family) » Dryadoideae » Purshia (cliffroses and bitterbrushes) » Purshia stansburyana (Stansbury's Cliffrose)