United States, Minnesota, Freeborn, on the east side of Lower Twin Lake. NE of SE of section;Ann and Leo Donahue Wildlife Management Area;101N;22W;11
43.5617633 -93.4321641
43.5617633° N,93.4321641° W;collector
Soils mesic loam. In a small patch of woods Dominated by Quercus macrocarpa and Fraxinus pennsylvanica. Associated with Hydrophyllum virginianum, Erythronium albidum.
Rare here; Athyrium angustum is a synonym of Athyrium filix-femina