15 September 2003.
Iowa, United States
Locality: Old Stage Road at 138th Avenue, Decorah, T98N R8W, extreme NW corner of SE 1/4, Section 21, Freeport Quad, Winneshiek County.
Coordinates: 43.2911, -91.6725
(Map it)
Elevation: 262m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Base of fairly steep limestone slope. Half shaded. 30% slope with a western aspect. Associated with Prunus serotina, Tilia, Juniperus virginiana, Solidago altissima, and Pastinaca.
Comment: Occasional population abundance with irregular distribution.
Collector(s):