United States, Illinois, Kankakee, Sweetfern Sand Savanna Land and Water Reserve. Approximately half a mile north of Pembroke School. Quadrangle: Leesville.
41.0768 -87.5899
Opening near edge of Black Oak Sand Savanna.
Quercus velutina Lam.; Schizachyrium scoparium (Michx.) Nash; Rosa carolina L.; Tephrosia virginiana L. Pers.; Carex pensylvanica Lam.