Coefficient of Conservatism:
Coefficient of Wetness:
Sandy or gravelly hummocks and ridges (often at the edge of cedar), wet marly sands and beach pools, and limestone pavements near the shores of the Great Lakes; inland very locally in fens, calcareous cedar thickets, limestone ledges, and wet prairies, often associated with lakes and rivers.
A very local species, excrpt in on the calcareous shores of northern Lake Huron and Michigan. Often associated with other calciphiles such as Carex garberi and Eleocharis quinqueflora.