Polycoccum pulvinatum (Eitner) R. Sant.

Lichenicolous Ascomycota, not lichenized

    Stick out by a sllight distorsion, the bleaching of the parasited host lobes and numerous scattered small black dots in this section. Perithecia urn-shaped, immersed in the host thallus, only visible on the host thallus as small black dots, 0.1-0.2 mm diam., ostiole punched (Collemopsidium aspect). Ascospores brown-blackish, oblong, 1-septate, 18-21 x 7.5-8.5 µm. Parasite of Physcia and notably of Physcia caesia.*