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All photos by Dr. Robin W. Scribailo, Purdue University North Central, Westville, Indiana, and Mr. Mark Malchoff, LC Sea Grant/VTDEC, Vermont.

Hydrocharis morsus-ranae
European frog-bit

Non-Native in the U.S.

This plant does not occur in Florida. However it is present in shallow, slow-moving waters of New York, Quebec and Ontario (Kartesz, 1999). It was introduced from Europe.

European frog-bit leaves may be floating or emersed. Its heart-shaped leaves are on long stems. The single 3-petalled flower is white. This plant looks similar to the native American frog-bit, Limnobium spongia.

For more information about Hydrocharis morsus-ranae, go to this Environment Canada web site.