17 September 1991.
North Dakota, United States
Locality: Sandy soil of roadside ditch, along disturbed area of cultivated sunflower field. 1.6 km north of Fullerton, Hwy County 8, Becker township, Dickey County.
Coordinates: 46.0167, -98.4167
(Map it)
Number of plants sampled: 28
Collector(s):