a1 Department of Plant Taxonomy and Nature Conservation, University of Gdańsk, Al. Legionów 9, PL-80-441 Gdańsk, Poland. Email: firstname.lastname@example.org
a2 Navarro Villoslada 16, 3° dcha., E-31003 Pamplona, Navarra, Spain
a3 Laboratory of Lichenology, W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, PL-31-512 Kraków, Poland
A new gall-inducing lichenicolous fungus, Plectocarpon stereocaulicola Kukwa, Etayo and Flakus, is described from Bolivia from the thalli of Stereocaulon sp. The new species is characterized by black, epruinose rounded ascomata with a carbonized surface and a thalline pseudo-margin, as well as a non-carbonized, light brown sterile stromatic tissue in the lower part and 3-septate ascospores becoming brown and ornamented when mature.
(Accepted February 28 2012)