This article reports four new species recently found in Azerbaijan. These are two ascomycetous (Morchella semilibera DC., Sarcosphaera coronaria (Jacq.) J. Schröt) and two basideomycetous (Leccinum scabrum (Bull.) Gray, Pisolithus arhizus (Scop.) Rauschert) species, occured in different ecosystems. M. semilibera DC., L. scabrum are edible. S. coronaria, P. arhizus and L. scabrum are ectomycorrhizal, M. semilibera is saprobic. These species are recommended for the next edition of the Red Book of Azerbaijan. The article provides brief information and original photographs for each species.