30 September 2015.
Iowa, United States
Locality: Private property approximatley 3.75 miles due west of Grinnell, T80N R17W SW 1/4 NE 1/4 W 1//2 Sec. 14 Jasper County.
Coordinates: 41.7371, -92.7992
(Map it)
Elevation: 294m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Small (approximately 15 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, Phlox divaricata, Morus alba, Erigeron strigosus, Crataegus spp. (abundant), Ulmus pumila, extremely large Prunus virginiana, Rhamnus catharatica, Quercus velutina, Quercus macrocarpa, Symphoricarpos orbiculatus, Rosa multiflora, Lonicera maackia, Ribes sp., Podophyllum peltatum, and Carex spp.
Number of plants sampled: 7
Comment: Coordinates represent general location of the population. Coordinates for each mother tree can be provided upon request.
Collector(s): - Aviles, Alex, USDA, ARS
- Carstens, Jeffrey D., USDA, ARS, NCRPIS
- Hopkins, Cole, USDA, ARS, NCRPIS