Caloplaca (Xanthocarpia) feracissima (Sidewalk Firedot Lichen)
Both photos (above & below) were taken at UW-Arboretum, Madison
Both photos (above & below) were taken at UW-Arboretum, Madison
Both photos (above & below) were taken at Devil's Lake State Park
Both photos (above & below) were taken at Kewaunee Pier
