Parmotrema crinitum forme saxicole jaunâtre.

     This form differs from the type form by its occurrence on the rocks, or at their base, in the aerohaline heathlands where it is sometimes common. Its general coloring is pale yellowish, pale yellowish-gray a little glaucous in rainy weather. The margin of the lobes is very frequently as if "curled" by very numerous black cilia and by very numerous isidia.