United States, Minnesota, Pine, Banning State Park. On the east side of the Kettle River in rugged bedrock terrain 1.5 miles north-northeast of downtown Sandstone, one mile north-northeast of the railroad trestle.
Local on mid- to upper portion of a moderately steep, 120-foot, northwest-facing slope. In moss-covered forested talus and a rocky woodland downslope from sandstone cliffs. Canopy of Betula papyrifera, B. alleghaniensis, Populus tremuloides, and Acer rubrum, with Acer spicatum in the understory. Fairly large, dense colonies; sporadic along ~200 yards at this elevation.
Additional associates include Dryopteris carthusiana, D. intermedia, Gymnocarpium dryopteris, Polypodium virginianum, Carex peckii, Maianthemum canadense.