An analysis of the biota of the aphyllophorales mushrooms carried out in the territory of the Volga-Akhtuba floodplain natural park within the Volgograd region. Based on the results of the conducted researches, 170 species of the study group are noted in the park. The great majority of identified species are saprotrophs on dead fallen wood. The largest number of species was found on Quercus robur, Populus alba, P. nigra и Fraxinus lanceolata. The largest number mushrooms ecological groups for moisture are mesophiles and xerophiles, which is typical for the arid zone.