Growing in a narrow ravine in a forest known as the "Lost Timbers." In woods dominated by open-grown Quercus macrocarpa with Fraxinus pennsylvanica and Tilia americana.
With Amphicarpaea bracteata, Phryma leptostachya, Galium triflorum, Cryptotaenia canadensis, Hydrophyllum virginianum, and Festuca subverticillata.