Revision of the Species Composition of Slime Molds in the Ile Alatau (Kazakhstan)

After the revision, it was found that the biota of slime molds in the Ile Alatau (Kazakhstan) has 62 species. The article provides a systematic list of slime molds. In the Ile Alatau these fungi-like organisms are represented by two classes: Protosteliomycetes and Myxomycetes. The Myxomycetes class is more widely represented and has 4 orders. The largest number of species is characteristic of the genera Trichia (8 species), Physarum (6), Arcyria, Diderma (5 species each) and Badhamia (4 species). The most common species in the research area are Lycogala epidendrum, Fuligo septica, Hemitrichia clavata, Trichia varia, Stemonitis axifera, S. fusca, S. splendens and Stemonitopsis typhina. Representatives of slime molds were found on various 18 substrates. The largest number of slime molds species (54) was recorded on Picea schrenkiana. There are 13 species on Populus tremula and 4 species on Betula tianschanica. The remaining substrates are characterized by 1-2 species. It is necessary to note the species of the genus Diderma that appear in early spring after snowfall: Diderma niveum, found on Artemisia juncea and representatives of Poaceae, and D. radiatum on dry grasses, leaves and branches of shrubs.