United States, Illinois, Saline, Harrisburg; 0.2 mi N of US Rt. 45; 0.3 mi SW of Middle Fork of the Saline River. Krigia Flat Natural Area.T9S R6E sec 11 NW 1/4 of SW 1/4 of section 11.; 37.696123 -88.455117
37.696123 -88.455117 +-969m. WGS84
T
In mud at north margin of cropfield and post oak flatwoods