United States, Minnesota, Morrison, At the west end of Hole in Day Marsh, just south and east of the junction of Cunningham Road and Bennet Road. UTM: 391500E 5110000N. NE1/4 of NW1/4 of Sec.;Camp Ripley Military Reservation;131N;30W;25
Low marshy area with scattered dogwood and willow. Shallow muck over loamy sand. Associated with Cicuta bulbifera, Thalictrum dasycarpum, Calamagrostis canadensis.