LEMNACEAE
Lemna gibba L.

San Francisco
Coll. J. Burtt Davy
January 8, 1983
UC Herbarium #1898
UCMP-SFES #29

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Morphology, Distribution, and Habitat (After Mason, 1957 and Hickman, 1993)

The seeds have corky-thickened ribs and a conspicuous operculum. The plant is found in fresh or brackish water and in ponds, marshes, and slow streams. Occasionally it is found on wet banks throughout the valleys and the coastal areas to middle altitudes in the mountains. It is widely distributed throughout California and worldwide.