The current study was based on the macrofungi collected from Baykan (Siirt) district between 2011 and 2012. As a result of field and laboratory studies, 88 species belonging to 56 families were identified. Nine taxa belong to Ascomycota and 79 to Basidiomycota.
In the region, the most abundant order is Agaricales, the most abundant families are Agaricaceae, and the most abundant genus is Agaricus in terms of the number of taxa. The identified species are listed along with their localities, habitats/substrates, geographical positions, collection dates, and voucher numbers.
All the species determined are new records for the study area.