New Estonian records and amendments: Lichenized and lichenicolous fungi

Two species of lichenized fungi, Rhizocarpon ferax and Umbilicaria hirsuta, and one species of lichenicolous fungi, Opegrapha physciaria, are reported as new for Estonia. Another very rare species, Parmelia submontana, is additionally recorded. Cited specimens are kept in the lichenological herbarium of the Natural History Museum, University of Tartu (TU) or in the lichen herbarium of the Euroacademy (ICEB).