22 September 2003.
Iowa, United States
Locality: Along Gate House Trail, Lacey-Keosauqua State Park, Keosauqua, T68N R10W, S edge of NE 1/4 of NW 1/4, Section 3, Keosauqua Quad, Van Buren County.
Coordinates: 40.7219, -91.9986
(Map it)
Elevation: 203m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Woody invaders to old field setting. 2/3 sunny. Slight slope. Associated with Cornus drummondii, Viburnum lentago, Prunus serotina, Aster pilosus, Rhus glabra, and Rosa multiflora.
Number of plants sampled: 3
Comment: Occasional population abundance with irregular distribution. 5 plants found. 3 female plants sampled.
Collector(s):