water milfoil

English Thesaurus

1. an aquatic plant of the genus Myriophyllum having feathery underwater leaves and small inconspicuous flowers (noun.plant)

hypernym	:	aquatic plant, hydrophyte, hydrophytic plant, water plant,
definition	:	a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth (noun.plant)

member meronym	:	genus myriophyllum, myriophyllum,
definition	:	chiefly monoecious and usually aquatic herbs (as the milfoils) (noun.plant)