| Locality: | United States. Kentucky. Madison: Dead Horse Knob, 1.3 mi N of Berea off KY 595, Berea College Farms, Lat-long N 37.583694 and W- 84.297989. Devonian New Albany Shale, 1024 feet, Colyer-Whitley shaley silt loam acid soils. |
| Habitat: | Colyer-Whitley shaley silt loam acid soils. USGS Berea Quadrangle; disturbed oak-hickory-planted pine forest. Naturalized Asiatic invasive annual, scattered throughout moist mountain woods; abundant. |