CYPERACEAE
Scirpus koilolepsis (Steudel) Gleason.

Lagunitas Meadows, Mt. Tamalpais, Marin Co., CA
Coll. John Howell
May 22, 1943
Mason #106075
UCMP-SFES #40

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

The achene is 1.5 millimeters long, sharply trigonous, puncticulate, and light brown to dark in color. The plant is found in coastal marshes from Monterey County north to Mendocino County and across the Southern United States.