10 November 2019.
Iowa, United States
Locality: mostly north side of High Trestle Trail, 550-1000 ft west of Avenue Y, west side of Slater, IA, Story County
Coordinates: 41.8835, -93.6998
(Map it)
Elevation: 316m.
Georeference protocol: Lat/lon determined by GPS
Environment description: weedy, gravely side of paved bike trail, flat and very open, adjacent to ditch between farm fields
Number of plants sampled: 15
Slope: 0
Comment: collection permission obtained from Syngenta landowner
Collector(s):