15 September 2000.
Iowa, United States
Locality: South and adjacent to Dolittle Prairie State Preserve, Section 25, Lafayette Township, Story County.
Coordinates: 42.1383, -93.5819
(Map it)
Elevation: 297m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Native prairie vegetation.
Number of plants sampled: 300
Collector(s):