| frogbit | (n) European floating plant with roundish heart-shaped leaves and white flowers, Syn. frog's-bit, Hydrocharis morsus-ranae |
| american frogbit | (n) American plant with roundish heart-shaped or kidney-shaped leaves; usually rooted in muddy bottoms of ponds and ditches, Syn. Limnodium spongia |
| hydrocharitaceae | (n) simple nearly stemless freshwater aquatic plants; widely distributed, Syn. frog's-bit family, Hydrocharidaceae, family Hydrocharitaceae, family Hydrocharidaceae, frogbit family |
| frog's-bit | |