KOCOURKOVÁ J., BERGER F. (1999): Polycoccum minutulum (Dothideales, Ascomycetes), a new lichenicolous fungus on Trapelia placodioides. Czech Mycology 51(2-3): 171-177 [published: 25th May, 1999]
KOCOURKOVÁ-HORÁKOVÁ J. (1998): Records of new, rare or overlooked lichens from the Czech Republic. Czech Mycology 50(3): 223-239 [published: 16th May, 1998]