In this article we report the first record of Subulicystidium perlongisporum, a noteworthy corticioid fungus, which has never been previously recorded in Ukraine. A detailed morphological description of the examined specimen, along with the original photos, ecological specifics and global distribution details of the species are provided. The criteria for delimitation of long-spored species of Subulicystidium are discussed.

Keywords: Basidiomycota, corticioid fungi, Hydnodontaceae, long-spored species, rectangular crystals, subulate cystidia

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