Nymphaea" sect. "Nymphaea is a section within the subgenus "Nymphaea" subg. "Nymphaea" of the genus "Nymphaea" native to North America and Europe. Description. Vegetative characteristics. The rhizomes are branching. Generative characteristics. The widest point of the filaments is below the middle. Taxonomy. It may be paraphyletic to "Nymphaea" sect. "Chamaenymphaea". Distribution. Its species occur in North America and Europe.