Milestones in study and preliminary estimation of the species richness level of myxomicetes biota in Tver region

The history of study of specific composition of myxomicetes biota in Tver region is described. The list of myxomicetes species, found in the mentioned region, is given. Some estimates of species richness for the group in the region of Tver along with comments on possible revisions and extensions of myxomicetes regional check-list are provided.