Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Angiospermae (Flowering Plants) » Magnoliopsida (Dicots) » Caryophyllales (pinks, cactuses, and allies) » Cactaceae (cactus family) » Opuntioideae » Opuntieae » Opuntia (Prickly pears) » Opuntia microdasys (bunny ears)