Poronidulus conchifer (Little Nest),

synonyms Polyporus conchifer & Trametes conchifer

Both photos (above & below) were taken at Devil's Lake State Park

Both photos (above & below) were taken at Devil's Lake State Park

Both photos (above & below) were taken in McFarland

Both photos (above & below) were taken in McFarland

Photo was taken at Walking Iron County Park

See MushroomExpert for information

Photo was taken at Kettle Moraine State Forest Southern Unit

Both photos (above & below) were taken in Madison

Photo was taken at Petenwell Rock