22 September 2009.
Wisconsin, United States
Locality: Wisconsin: Columbia County; Pine Island State Wildlife Area, Wisconsin River flood plain along Levee Road, SW 1/4 of NW 1/4 of Section 11, T12N, R8E, Pine Island Quad, Columbia County.
Coordinates: 43.5325, -89.5156
(Map it)
Elevation: 242m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Wisconsin River watershed/floodplain. Associated with Acer saccharinum, Betula nigra, Cornus amomum subsp. obliqua, Fraxinus pennsylvanica, and Quercus bicolor.
Number of plants sampled: 10
Collector(s):