1) Genus sparganium 2) Liliopsid genus 3) Monocot genus 
Sparganium (Bur-reed) is a genus of flowering plants, containing about 20 species in temperate regions of both the Northern and Southern Hemispheres. It was previously placed alone in the family Sparganiaceae. The plants are perennial marsh plants that can grow to 3.5 m (depending on the species), with epicene flowers. The Sparganiaceae are closel...
[n] - type and sole genus of Sparganiaceae
genus Sparganium noun type and sole genus of Sparganiaceae; marsh or aquatic herbs of temperate regions