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M. R. Penskar

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Sandy shores of lakes and ponds, and sandy swales, with fluctuating water levels. First collected in Michigan by J. A. Churchill in Muskegon Co. (see Churchill, 1976).

This is a tiny annual, like Eleocharis geniculata in having shiny black achenes, but even smaller. Though occurring in the same habitats in Michigan as our coastal plain disjuncts, this is a species (in North America) of the south and southwest.

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