United States, Minnesota, Jackson, About 1 mi SE of Petersburg; W-facing bluff in the Des Moine River Valley. NW1/4 SW1/4 sec27, T101N, R34W;;101N;34W;27
43.522882 -94.90439 +-800m. WGS84
Calcareous fen on a steep W facing bluff. Associated species include: Pedicularis lanceolata, Gentiana procera, Parnassia glauca, Lobelia kalmii.