Nuphar sect. Astylus

Nuphar sect. Astylus
Nuphar polysepala
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Nuphar
Section: Nuphar sect. Astylus
Padgett
Type species
Nuphar advena (Aiton) W.T.Aiton
Species

See here.

Nuphar sect. Astylus is a section within the genus Nuphar native to North America.