CERATOPHYLLACEAE
Ceratophyllum demersum L.

West of Tule Lake, Siskiyou Co.
Coll. Verne Grant & Irving Schnider
August 26, 1947
UC Herbarium #956839
UCMP-SFES #52

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

The fruit is ellipsoid, flattened and 4-6 millimeters long, 1-celled and beaked by the persistent style and developing 2 recurved lateral basal spines. The plant is common in quiet, fresh-water pools and slow streams throughout California.