Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Angiospermae (Flowering Plants) » Magnoliopsida (Dicots) » Ranunculales (buttercups, poppies, and allies) » Ranunculaceae (buttercup family) » Ranunculoideae » Delphinieae » Delphinium (larkspurs) » Delphinium nuttallianum (Nuttall's larkspur)