First record of rare boreal-alpine waxcap Hygrocybe calciphila (Hygrophoraceae, Agaricales) in Southeastern Europe

Hygrocybe calciphila, an uncommon species of the genus was found for the first time in Southeastern Europe in forests of Pinus heldreichii in Bulgaria. Description and illustrations of the finding are presented. The European distribution of the species is summarized and briefly discussed, with emphasis on the scarce previous findings in Southern Europe.