Punctelia subrudecta forme fertile.

    Apothecia, sessile, pitcher at first then bowl-shaped, 3-5 mm in diameter, disc concave, brown-red, margin and underside consisting of the thallus strongly raised with soralia, concolorous to the thallus. 8-spored asci, 50-60 x 25-30 µm. Spores simple, colourless, broadly elliptical to ovoid or subglobose, 15-18 x 8-11 µm according to the literature, 14-18 x 7-10 µm according to our measurements. This fertile form is very rare and known only from a few sites.