15 September 2016.
North Dakota, United States
Locality: North of Hwy 53, about 0.5 mile east of 100th St SW, east of Douglas, Ward county
Coordinates: 47.8640, -101.4327
(Map it)
Elevation: 650m.
Environment description: Agricultural field at roadside, tilled but left fallow, with deep, sandy soil
Comment: Weedy population of large, lush plants on very sandy disturbed soil.
Collector(s):