Occasional to common in small (~3-acre) mesic prairie remnant. Full sun to partial shade of patchy to rather dense shrubs and small trees including Salix petiolaris, S. discolor, S. bebbiana, Cornus stolonifera, Populus tremuloides, P. balsamifera. Deep, mesic to quite moist, black loamy soil.
Associates include Zizia aurea, Cypripedium candidum, Commandra umbellata, Packera aurea, Viola nephrophylla, Fragaria virginiana, Cirsium muticum, Galium boreale, Juncus arcticus, Andropogon gerardii, Poa pratensis, Carex buxbaumii, C. tetanica, C. sartwellii, C. pellita.