Millville Township, Grant County, Wisconsin. 10 December 2004
Bixby Forest Natural Area, Clayton County, Iowa. Rich mesic forest on north facing slope strewn with large boulders. 3 June 2013. Common on boulder faces. 42° 40' 28.3" North, 91° 23' 54.4" West
(42.674518, -91.398442)
WARNING: Accurate determination of this plant or fungus depends on more than this single image.