Fomitiporia robusta, synonym Phellinus robustus, bakeri (Robust Bracket)
Both photos (above & below) were taken at Peshtigo Harbor Hemlock Curve Nature Trail
Both photos (above & below) were taken at Pat Shay Lake State Natural Area
Both photos (above & below) were taken at Ed's Lake National Scenic Trail
Both photos (above & below) were taken at Blue Hills Nature Trail