13 September 2003.
Iowa, United States
Locality: Malanaphy Springs State Preserve near Decorah, T99N R8W NW 1/4 of SE 1/4 and SW 1/4 of NE 1/4 of Sec. 31, Winneshiek County
Coordinates: 43.3489, -91.8364
(Map it)
Elevation: 293m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Along trail near spring, half shaded. Gradual slope with a northwestern aspect. Organic soil over limestone with high stoniness, well to good drainage
Number of plants sampled: 25
Associated species: Quercus rubra, Acer nigrum, Ulmus sp., Impatiens sp. and Cornus alternifolia
Comment: Frequent population abundance with irregular distribution. >100 plants found.
Collector(s):