Punctelia bolliana (Eastern Speckled Shield Lichen)
Both photos (above & below) were taken at Observatory Hill State Natural Area
Both photos (above & below) were taken on the Ice Age Trail - Gibraltar Segment

Both photos (above & below) were taken at Madison School Forest
Both photos (above & below) were taken at Buckhorn State Park
Photo was taken at Buckhorn State Park
Both photos (above & below) were taken at Lower Wisconsin State Riverway near Muscoda