30 September 1997.
Indiana, United States
Locality: Along Indiana Highway 50 at mile marker 89, 1 mile west of the East Fork White River Bridge, 3 miles west of Brownstown, Section 8, Brownstown Township, T5N, R4E, Brownstown Quad, Jackson County.
Coordinates: 38.8667, -86.1000
(Map it)
Elevation: 165m.
Environment description: Weedy area by corn field.
Number of plants sampled: 50
Comment: Pop 35. Population of approximately 500-1000.
Collector(s):