15 September 2006.
Iowa, United States
Locality: Downhill, east-southeast of primitive campground parking lot, Ledges State Park, NE 1/4 of SW 1/4 of SW 1/4 of Section 15, T83N, R26W, Worth Township, Boone County.
Coordinates: 41.9964, -93.8711
(Map it)
Elevation: 329m.
Environment description: 3-4 small springs at bottom of west facing hillside and clay slump on west side of a deep gulley. Dense woods. Very wet soil.
Associated species: Aster prenanthoides, Cardamine bulbosa, Carex hystericina, Epilobium coloratum, Glyceria striata, Hepatica, Impatiens capensis, Lobelia inflata, L. siphilitica, Lycopus uniflorus, and Scutellaria lateriflora.
Comment: Population of 40-50. Lat/lon averaged between two sites.
Collector(s):