Tiarosporella durmitorensis sp. nov. - a new pathogenic fungus on needles of Abies alba

A fungus causing necrosis and needle cast has been discovered on fir trees (Abies alba), in stands at 1700 m above sea level in Yugoslavia. The intensity of infection was very high, and the needles of all age classes were infected. The consequence of the Infection is the death of the tree. The pathogen is described as a nem species Tiarosporella durmitorensis Karadzic. So far, this fungus has been round only in European silver iir stands in the National Park Durmiror and in the National Park Biogradska Gora (Montenegro).