15 October 2015.
Kansas, United States
Locality: northwest side of Cheyenne Bottoms Rd at intersection with Hwy 156 northeast of Great Bend, Barton county
Coordinates: 38.4412, -98.6323
(Map it)
Elevation: 555m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Wetland in slough and adjacent grassland, with deep soil derived from sediment with Solidago, Rumex, Typha, and Xanthium.
Comment: pop size 1000; plants up to 2.0 m tall
Collector(s):