03 October 2003.
Sioux County, Iowa, United States
Locality: Adjacent to Union Pacific Railroad, TNSHP 94, RNGE 44, E/W W, SECT 15, Quarter Section NW4SE4
Coordinates: 42.9562, -96.0290
(Map it)
Elevation: 389m.
Georeference protocol: Lat/Lon determined from GIS
Habitat: Grassland
Environment description: Slight south slope, nearby land falls sharply 30-50 feet to old gravel quarry pond and the Floyd River, heavy black soil, farmer hays 1-2x/yr.
Associated species: Schizachyrium scoparium, Andropogon gerardii, Bouteloua curtipendula, Silphium laciniatum, Sporobolus heterolepis, Aster laevis (now Symphyotrichum laeve), Amorpha canescens, and Lithospermum spp.
Collector(s):