This occurrence of Nuphar advena subsp. advena was collected on January 14, 2003 in United States. Flora of the World includes 3 field photographs documenting this occurrence, all of which are displayed here.
Classification
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Nymphaeales
Family
Nymphaeaceae
Genus
Nuphar
Specific Epithet
advena
Authorship
(Aiton) W.T.Aiton