29 August 2012.
Davison County, South Dakota, United States
Locality: 245th St and 410 Ave
Coordinates: 43.8328, -98.0128
(Map it)
Elevation: 381m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Pasture
Number of plants sampled: 100
Associated species: Mentha arvensis and Lycopus americanus
Comment: Collected by: J. Hansen
Collector(s):