USA, Illinois, Jo Daviess, Savanna Army Depot about 4 mile south by Southwest of Hanover, Illinois and about 0.25 mile east of the Mississippi River. Coordinate Datum: WGS84/NAD83.
42.21407 -90.32788
T. 26N, R. 2E, center SW1/4 Sect. 30; 42.21407, -90.32788
187 meters
615 ft.
In good quality sand prairie with Rhus aromatica, Ambrosia psilostachya, Eragrostis spectabilis, Euphorbia corollata, Schizachyrium scoparium, Sorghastrum nutans, Sporobolus cryptandrus, etc. Perennial herb with purple flowers.