Phaeophyscia adiastola (Powder-Tipped Shadow Lichen)
Both photos (above & below) were taken at Devil's Lake State Park

Both photos (above & below) were taken at UW-Madison Arboretum
Both photos (above & below) were taken at Ableman's Gorge State Natural Area
Photo was taken at Devil's Lake State Park
Both photos (above & below) were taken in Madison 
Both photos (above & below) were taken in Madison 
Both photos (above & below) were taken in Madison 
Both photos (above & below) were taken at Observatory Hill State Natural Area
Both photos (above & below) were taken at Toft Point State Natural Area
Photo was taken at High Cliff State Park