Highwater grass

Perennial herbaceous plant. Grows on the coast and in marshes.

There are 146 observations of Highwater grass in Québec, mostly in Côte-Nord, Bas-Saint-Laurent and Gaspésie–Îles-de-la-Madeleine, and it has been reported in 4 of the 17 regions. They peak in August and become rare from October to June.