Flavoplaca polycarpa (A. Massal.) Arup, Fröder & Sochting = Caloplaca polycarpa (A. Massal.) Zahlbr.

      Thallus endolithic indiscernible or else in the form of a thin whitish very inconspicuous veil, more rarely in the form of a circular crustose spot 1-3 cm in diameter, thin, dirty whitish, whitish a little yellowish, with a prothallus jagged and lacerated concolor. Apothecia sessile and as if resting on the substrate, few, very scattered, small 0.2-0.4 mm in diameter, disc flat then sometimes a little convex at the end, yellow-ochraceous, yellow-orange, proper margin concolorous , persisting for a long time. Spores broadly elliptical, polarilocular, 9-15 x 3-8 µm with an equatorial thickening of 3-7 µm according to the literature, 10-12 x 5-6 µm with an equatorial thickening of 4-5 (6) µm according to our measurements. Photobiont: green algae. Thallus: K- or rarely K+/- pink, apothecia: K+ purple-pink. Quite a rare or unnoticed parasitic species of Bagliettoa and Verrucaria and in particular Bagliettoa parmigera and Bagliettoa parmigerella.