Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Angiospermae (Flowering Plants) » Magnoliopsida (Dicots) » Solanales (nightshades, bindweeds, gooseweeds, and allies) » Solanaceae (nightshade family) » Solanoideae (nightshades and allies) » Solaneae (nightshades and false-hollies) » Solanum (nightshades) » Solanum rostratum (buffalo-bur)