Additional records of lichens and lichenicolous fungi from the Giresun, Trabzon and Rize provinces, Turkey.

A lichenological survey carried out in 83 different localities of Giresun, Trabzon, and Rize provinces of Turkey yielded a total of 399 lichen taxa and 23 lichenicolous fungi. Briancoppinsia cytospora is new to Turkey. Three hundred and seven lichens and 19 lichenicolous fungi were collected in Giresun, 110 lichens and one lichenicolous fungus in Rize, and 223 lichens and eight lichenicolous fungi in Trabzon. Ninety-one lichens and 14 lichenicolous fungi are new for Giresun, 42 lichens and four lichenicolous fungi for Trabzon, and 53 lichens and one lichenicolous fungus for Rize. For each taxon, the substratum and the collecting locality numbers are given. [ABSTRACT FROM AUTHOR]