Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Angiospermae (Flowering Plants) » Magnoliopsida (Dicots) » Myrtales (myrtles, evening primroses, and allies) » Onagraceae (evening primrose family) » Ludwigia (Primrose-willows) » Ludwigia peploides (floating primrose-willow)