CYPERACEAE
Cyperus eragrostis Lam.

North of Rio Vista, Solano Co.
Coll. Herbert L. Mason
August 17, 1940
Mason #100537
UCMP-SFES #9

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

The achene is sharply trigonous, obovoid, stipitate, mucronate, brown, and puncticulate. The plant is found on moist land in coastal southern California, the Coast Ranges, Sierra Nevada foothills, and Modoc County.