18 September 1997.
Iowa, United States
Locality: Manikowski Prairie, NE 1/4 of NE 1/4 of Section 28, T83N R5E, Clinton County.
Coordinates: 41.9734, -90.3750
(Map it)
Georeference protocol: Lat/Lon determined via Map location
Environment description: State preserve.
Number of plants sampled: 76
Comment: Coordinates estimated based on locality description.
Collector(s):