Locality:
United States, Minnesota, Fillmore, Dorer Memorial Hardwood State Forest. Fillmore County...bluff along the South Branch of the Root River, two miles northeast of Cherry Grove...T102N R12W NE1/4 of NW1/4 Sec. 27. 102N 12W 27
43.787898 -92.141306 +-248m.
Habitat:
At the base of very steep, 200-foot, north-facing bluff ... on moss-covered ledges of 10- to 40-foot, north-facing, moist and cool (maderate) limestone cliff, especially near cold air vents. Partially shaded by Pinus strobus, Betula allegheniensis [sic], and Tilia americana. Associated species include Cystopteris bulbifera, Cryptogramma stelleri, Arabis shortii.