United States, Minnesota, Stearns, Stearns Co.; Along Schmidt Lake 2-1/2 miles south of Avon; on the northeast side of the lake; T124N R30W SE1/4 of NW1/4 Sec. 9. 124N 30W 9
45.564882 -94.45202 +-969m.
marly wet soil and shallow water on the northeast side of the lake. In full sun. Associates include Carex stricta, C. lacustris, Scirpus validus, Sagittaria latifolia, Asclepias incarnata, Scutellaria galericulata, Eupatorium perfoliatum, cicuta bulbifera. Forming dense patches.