Abstract
Based on morphological research methods, the morphological characteristics of a rare species of polyporoid fungi –Polyporus rhizophilus, adapted to live as a parasite of grasses in steppe communities of subarid and arid regions, were evaluated. Morphological structures of fruiting bodies of fungi are subject to variability, which may be due to the influence of environmental factors and the specifics of the substrate on which the fruiting bodies of fungi develop. The appearance of identical morphological features in different phylogenetic groups is adaptive convergent. In this regard, molecular genetic research is a necessary condition for distinguishing taxa and clarifying their phylogenetic relationships.
Highlights
The species Polyporus rhizophilus was first described from Algeria in 1894
Due to the rarity of the species, its weak representation in herbariums of Russia and their poor preservation, the morphology of well-preserved fruiting bodies of P. rhizophilus from Russia was studied in detail and characterized using light microscopy methods to identify and characterize its regional specificity
Among the complex of morphological species of Polyporus s. l., a number of species have traditionally been assigned to the intragenital morphological Polyporellus group
Summary
The species Polyporus rhizophilus was first described from Algeria in 1894. Due to the ecological characteristics of the species, due to the destruction of habitats, plowing of steppes and grazing, this species is under threat of extinction It is included in the list of taxa in the Red Book of the Russian Federation [1], as a species that needs special attention to the state in the natural environment and monitoring. Due to the rarity of the species, its weak representation in herbariums of Russia (about 20 samples) and their poor preservation, the morphology of well-preserved fruiting bodies of P. rhizophilus from Russia was studied in detail and characterized using light microscopy methods to identify and characterize its regional specificity
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