08 September 2021.
Madison County, Iowa, United States
Locality: Guye Woods County Park located 6.0 miles northeast of Winterset, T76N R27W NE1/4 Sec. 4
Coordinates: 41.4124, -93.9637
(Map it)
Elevation: 278m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Forest / woodland
Environment description: Moist deciduous maple, oak, hickory forest, northwest facing slope above the North River.
Number of plants sampled: 5
Associated species: Quercus rubra, Quercus alba, Ulmus rubra, Ulmus americana, Celtis occidentalis, Carya ovata, Juglans nigra, Ribes sp., Morus rubra (one specimen), Toxicodendron radicans, Zanthoxylum americanum, Symphoricarpos orbiculatus, Smilax sp., Aesculus glabra, Carya cordiformis, Fraxinus pennsylvanica, Ostrya virginiana, Quercus macrocarpa, Tilia americana, and Rosa multiflora.
Aspect: Northwest;
Slope: 10
Comment: Seed was harvested from three trees in Guye Woods County Park and from two trees along the west side of North River Road, approximately 75 meters south of intersection with 152nd Street.
Collector(s): - Carstens, Jeffrey D., USDA, ARS, NCRPIS
- Schmitz, Andrew, The Brenton Arboretum
- Sherwood, Andrew P., USDA, ARS, NCRPIS