Najas guadalupensis guadalupensis (Southern Waternymph) is a subspecies of annual herb in the family Hydrocharitaceae. They are native to Bahia, Amazônia, Pantanal, Canada, Puerto Rico, Pampa, The Contiguous United States, Minas Gerais, Caatinga, Rio Grande Do Sul, and Amapá.
EOL has data for 13 attributes, including: