The species composition of myxomycetes in Yalta mountain-forest reserve was
investigated. 32 myxomycetes species from to 5 orders, 6 families and 16 g
enera were found. Diderma niveum, Lamproderma atrasporum, Leocarpus fragili
s, and Stemonitis pallida are new for both Ukraine and Crimea, 22 myxomycet
es species are new For Crimea. The complete list of Crimean myxomycetes inc
luding 55 species is presented. Their distribution patterns at various subs
trates is analysed.