22 September 1989.
Indiana, United States
Locality: In roadside gravel on edge of mixed hardwood forest with Coronilla, Setaria and other grasses .35 Mi NE Wyandotte Caves, T3S R2E NW 1/4 of NW 1/4 Sec. 27, Leavenworth quad. Harrison-Crawford SP city, in Crawford Cty.
Coordinates: 38.2333, -86.2833
(Map it)
Elevation: 233m.
Comment: Population of 3 plants.