United States, Minnesota, Dakota, Fort Snelling State Park. Dakota Co. 'Nicols Fen', ca. 100 yds NE of jnc of Cedar Ave. and Chicago Northwester rr, in NE corner of site near an isolated Rhamnus shrub; T27N R23W Sec. 18, just SW of center. 027N 23W 18
44.8258841 -93.2169988 +-800m.
Sloping calcareous fen, somewhat disturbed, dominated by Aster umbellatus, Eupatorium maculatum, Thalictrum dasycarpum, Solidago canadensis, and Carex spp.