30 September 1997.
Iowa, United States
Locality: Near Hawarden, Sioux County. Please contact curator for specific site location.
Coordinates: 43.0500, -96.4667
(Map it)
Elevation: 400m.
Georeference protocol: Lat/Lon determined via Map location
Environment description: Sandy mound near pond on south end of park. Full sun with ~15% slope and aspects in all directions. Well drained, silty clay loam, and one small sandy area, with few stones.
Number of plants sampled: 23
Comment: 23 coneflowers collected from a population of 45 flowering plants. Assoc. veg: Bouteloua curtipendula, Schizachyrium scoparium, Penstemon grandiflora, Panicum virgatum, Anemone cylindrica, Euphorbia esula, Amorpha canescens, Sorghastrum.
Collector(s):