20 September 1989.
Ohio, United States
Locality: Hwy. 37E, 2.0km east of Lancaster, Fairfield County.
Coordinates: 39.7167, -82.6000
(Map it)
Environment description: Population scattered over a wide area, 0.2km, gorge at edge of woods and cultivated wheat field. Along slope in roadside ditch, clay soil.
Collector(s): - Dozet, Branislov, Institute of Field & Vegetable Crops
- Gavrilova, Vera, N.I. Vavilov All - Union Scientific Research
- Pomeroy, Jeff, USDA, ARS
- Seiler, Gerald, USDA, ARS