Known in Michigan from a “salt lick” near Hubbardston, Ionia Co. and a brackish marsh along the Maple River in Clinton Co.; recently collected only near the Maple River. A species of both Atlantic and Pacific coasts, extremely local inland in North America.

A small, delicate plant, very local and poorly known in the Great Lakes region. The scales are acute to ± obtuse, greenish to straw-colored (sometimes with a little brownish on the sides), the lowermost sterile.