Circinaria contorta forme des substrats humides et peu ensoleillés. = Aspicilia contorta forme des substrats humides et peu ensoleillés.

       This form, quite common in our prospecting region, differs from the type by its occurrence on limestone rocks, concrete, cement, etc. humid and in the shade. It presents greenish, blue-greenish, gray-greenish colors, permanently visible and not only in very humid weather.