NEW FINDINGS IN RUSSIA OF CLADONIA ALBONIGRA BRODO & AHTI (CLADONIACEAE, ASCOMYCOTA) FROM THE MURMANSK REGION
Information is presented about new findings of the rare North European - North American species Cladonia albonigra from the Pasvik strict nature reserve and its immediate surroundings (Murmansk Region). The species had been previously known in Russia only from the Gogland Island of the Gulf of Finland, Baltic Sea.