Polycoccum anatolicum sp nov on Lepraria incana and a key to Polycoccum species known from Turkey

Polycoccum anatolicum is described as new from the thallus of Lepraria incana on the trunk of a Prunus sp. in western Turkey and represents the first Polycoccum known to occur on Lepraria. The new species is typical with its relatively small subglobose ascomata and verruculose relatively large ascospores. It is compared with similar Polycoccum species, and a key to Polycoccum species known from Turkey is provided.