05 September 1991.
North Dakota, United States
Locality: 10.4 km W of Watford City, Hwy 85 W, McKenzie Co.
Coordinates: 47.8000, -103.3333
(Map it)
Environment description: Sandy gravel-like soil in ditch along edge of asphalt rd.
Number of plants sampled: 40
Collector(s): - Duhoon, Surendra, National Bureau of Plant Genetic Resources
- Marinkovic, Radovan, Institute of Field and Vegetable Crops
- Seiler, Gerald, USDA, ARS
- Stauffer, Cynthia, USDA, ARS