13 September 1989.
Wisconsin, United States
Locality: 0.6km north of Seeley, Hwy. 63N, Sawyer County.
Coordinates: 46.1333, -91.3500
(Map it)
Environment description: Roadside ditch, clay loam soil, moist, near mixed wooded area.
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