According to literature data and mycological observation carried out by authors, the rust fungi of Hutsulshchyna National Nature Park (Kosiv District, Ivano-Frankivsk Region, western Ukraine) are represented by 71 species of 18 genera. The following genera comprise: Puccinia — 32 species, Uromyces — 10, Melampsora and Phragmidium — five species each, Gymnosporangium, Melampsoridium, Milesina, Pucciniastrum and Tranzschelia — two species each, Cronartium, Coleosporium, Hyalopsora, Kuehneola, Melampsorella, Naohidemyces, Schroeteriaster, Trachyspora, and Triphragmium — one species each. The article contains a list of rust species recorded in the park, and is illustrated by images of spores of Puccinia bistortae, P. heraclei, and P. poarum obtained by scanning electron microscope.
Keywords: Pucciniales, species composition, Hutsulshchyna National Nature Park, Ukraine
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