Common fox sedge grows in river banks, floodplain forest, wet meadows, marshes, swamps, ditches and pond and stream margins. It is a wetland obligate, found across Canada and the northern United States and also in East Asia, and it is rated Least Concern. In Quebec it is native.
Carex stipata was described by Muhlenberg and published by Willdenow in the early 1800s; stipata refers to the tightly crowded flower spikes. Its seeds are eaten by wetland birds, and it makes up about a quarter of the swamp sparrow's diet according to the Lady Bird Johnson Wildflower Center.
