frogbit

Hydrocharis morsus-ranae, with roundish leaves and small white flowers. It is free-floating.

Noun

  1. Hydrocharis morsus-ranae, with roundish leaves and small white flowers. It is free-floating.

    Synonyms: European frogbit common frogbit European frog's-bit

  2. An American plant, Limnobium spongia, with is also free-floating.
  3. A South American plant, Limnobium laevigatum.

    Synonyms: Amazon frogbit South American frogbit

Origin

From frog + bit, perhaps to explain the notched petal tips.

Forms

frogbits