1) Buckbean family 2) Dicot family 3) Family menyanthaceae 4) Magnoliopsid family 
Menyanthaceae is a family of aquatic and wetland plants in the order Asterales. There are approximately 60-70 species in five genera distributed worldwide. The simple or compound leaves arise alternately from a creeping rhizome. In the submersed aquatic genus Nymphoides, leaves are floating and support a lax, umbellate or racemose inflorescence. I...
[n] - a dicotyledonous family of marsh plants of order Gentianales
family Menyanthaceae noun a dicotyledonous family of marsh plants of order Gentianales