20 July 2012.
Iowa, United States
Locality: Along Twin Rivers Drive, NE 1/4 of Section 34, T65N, R5W, Keokuk Quad, just southwest of Keokuk, Des Moines County.
Coordinates: 40.3865, -91.4262
(Map it)
Elevation: 182m.
Environment description: Dry woods. Steep south and southwest-facing slopes.
Number of plants sampled: 7
Associated species: Asimina triloba, Cercis canadensis, Cornus racemosa, Lonicera maackia, Ptelea trifoliata, Quercus muhlenbergii, Toxicodendron radicans, and Viburnum prunifolium.
Comment: Localized population of blue ash. Abundant seed production. Seeds fully mature at time of collection.
Collector(s):