Notes on Pycnora sorophora (Lecanoraceae, lichenised Ascomycota) in Poland and Lithuania [Nauji duomenys apie Pycnora sorophora (Lecanoraceae, lichenizuoti auk?liagrybiai) Lenkijoje ir Lietuvoje]. – Botanica Lithuanica, 9(4): 371–378

New localities of Pycnora sorophora in North-East Poland and in Lithuania are reported. Distribution, morphology, and ecology of the species in both countries are discussed. Geographical distribution of the taxon is still poorly known in the studied territory as well as in close-laying areas.

Keywords: Pycnora sorophora, lichens, Poland, Lithuania.