A new lichenicolous fungus species, Polycoccum minutulum Kocourková et F. Berger is described from CentralEurope. Thecombination of features of this species, such as discoloration of infected parts of the host, the formation of galls, the size of the halonate spores provided with verruculose epispore and also the host Trapelia placodioides Coppins et P. James, distinguishes it from other species of the genus Polycoccum Sauter ex Körb.
Kocourková J., Berger F. (1999): Polycoccum minutulum (Dothideales, Ascomycetes), a new lichenicolous fungus on Trapelia placodioides. – Czech Mycology 51(2-3): 171–177.