Lecanora helicopis (Wahlenb.) Ach. forme héliophile.

      This form differs from the type in that it occurs in very sunny areas of the mesic zone at the level of Hydropunctaria maura s.l.., the apothecia are numerous, not very prominent and not very sessile, with a more or less flat and slightly domed disc, dark brown on the beginning then slate in color at the end, grayish to blackish and slightly bluish hypothallus.