09 June 2015.
Iowa, United States
Locality: T80N R17W SW 1/4 NE 1/4 W 1//2 Sec. 14 Jasper County, approximately 3.75 miles due west of Grinnell (private property).
Coordinates: 41.7371, -92.7992
(Map it)
Elevation: 294m.
Georeference protocol: Lat/Lon determined via Map location
Environment description: Small (approximately 100 specimens noted), localized population growing in old woods currently being grazed for cattle. Growing on clay based (heavy) soils on gentle south-facing slope (30-40 degrees) in association with Carya ovata, Malus ioensis, Morus alba, Erigeron strigosus, Crataegus spp., Ulmus sp., extremely large Prunus virginiana, Quercus macrocarpa, Rosa multiflora, Lonicera maackia, Podophyllum peltatum, and Carex spp.
Number of plants sampled: 45
Collector(s):