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Документ The current state of Thyronectria study in Ukraine: correction of data from the herbaria and the literature(Kharkiv : H.S. Skovoroda Kharkiv National Pedagogical University, 2022) Akulov, O.Yu.; Акулов, Олександр ЮрійовичFungicolous fungi are a large and heterogeneous group, the entire life cycle of which, or at least a significant part of it, takes place in association with other fungi. The nature of the interaction between the fungicolous fungus and their host is not always clear, but quite often it is parasitism, which is quite specialized. Compared to other trophic groups of fungi, fungicolous organisms still have been poorly studied. Often even widely distributed and well-known fungi, like Tremella spp., which for a long time were considered as xylosaprotrophic or phytopathogenic, appeared to be fungicolous after the careful research. The representatives of the genus Thyronectria, which may serve as an example of such a fungi, are considered in this article. Many important features of the biology of the species, assigned to this genus, still remain unknown. Our work is based on critical analysis and summarizing of literature data, as well as on the revision of the collections from the mycological collections of KW (M.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, Kyiv) and CWU (V.N. Karazin National University of Kharkiv). For now, 6 representatives of the genus have been reliably recorded in Ukraine. The species with the largest number of finds are Thyronectria berolinensis (17 records), T. caraganae (7 records), T. cucurbitula (7 records) and T. coryli (6 records). Thyronectria lamyi and T. rhodochlora are represented by a smaller number of finds (by 3 records each). It should be noted, that the species Thyronectria caraganae Voglmayr, Akulov & Jaklitsch was described from the territory of Ukraine and remains known only from this country. T. chlorinella was excluded from a checklist as doubtful find, T. megalospora – as a misidentified collection. Information about some of the findings is published here for the first time. For some species of the genus, the host fungus is also given for the first timeДокумент Annotated checklist of Hygrophoraceae (Agaricales, Basidiomycota) in Ukraine(ХНПУ імені Григорія Сковороди, 2021) Chvikov, V; Prylutskyi, OHygrophoraceae is a family within Agaricales, which comprises 26 genera and approximately 690 agaricoid species, including ectomycorrhizal, lichen-forming, bryophilous, humus and litter decomposing fungi. Some of these species especially those from genera Cuphophyllus, Hygrocybe, Neohygrocybe and Porpolomopsis are associated with natural grasslands and show extreme sensitivity to the presence of nitrogen-containing fertilizers in their substrate. This makes them indicative species of grasslands of high conservation value. While casual observations of Hygrophoraceae of Ukraine were incorporated in studies of agaricoid fungi as a whole, this family has never been in the focus of special research. Previously accumulated data on the diversity of Hygrophoraceae in Ukraine must be aggregated and revised. We have summarized all available data on the occurrences of Hygrophoraceae in Ukraine, including published papers, open databases, citizen science observations, and the previously unpublished original collection materials. Also, we provide an original description of the rare European species Haasiella venustissima (Fr.) Kotl. & Pouzar ex Chiaffi & Surault, which is reported for the first time from the territory of Ukraine. The resulting checklist of Hygrophoraceae of Ukraine includes 66 species. Leading genera are Hygrophorus (22 species), Hygrocybe (17) and Arrhenia (10); 5 species among them (Hygrocybe punicea, Hyrgocybe splendidissima, Neohygrocybe nitrata, Neohygrocybe ovina, Porpolomopsis calyptriformis) are threatened and according to “IUCN Red List” considered “Vulnerable”. The finds of 22 species in Ukraine were reported as doubtful. Carpathian Forests and LeftBank Forest-Steppe are the phytogeographic regions with the highest known diversity of Hygrophoraceae; however, this may be explained by the sampling bias. In spite of the long history of investigations and rather big amount of data, the checklist may be significantly updated by further surveys of grassland habitats, wider using of molecular identification methods, and by implementation of the best practices in biodiversity data management, e.g. photographing of fresh fruit bodies, digitization and databasing of observations.Документ Ревізія зразків «Kavinia alboviridis» з фондів мікологічного гербарію CWU (MYC) із залученням методів молекулярно-генетичного аналізу(Львів : Інститут екології Карпат НАН України, 2021-10-28) Гавриш, П.В.; Мєшков, Я.В.; Ачкасов, Д.О.Distribution of rare fungus Kavinia alboviridis (Morgan) Gilb. & Budington in Ukraine is discussed. Two specimens from Ukraine previously identified as K. alboviridis occurred to be the twin species Steccherinum gracile (Pilát) Parmasto and Hydnocristella himantia (Schwein.) R.H. Petersen, while third is desirable to be revised using methods of molecular analysis.Документ Перша знахідка Naohidea sebacea (Basidiomycota, Fungi) в Україні(Львів : Інститут екології Карпат НАН України, 2021-10-28) Fomenko, M.; Фоменко, М.Rare fungicolous fungus Naohidea sebacea (Berk. & Broome) Oberw. from the territory of Natural Reserve «Roztochchia» is registered in Ukraine for the first time. Its host fungus was identified as Dothiorella iberica (Fr.) A.J.L. Phillips, Luque & Alves (= Botryospharia iberica A.J.L. Phillips, Luque & Alves). Information about the ecology and geographic occurrence of this species is discussedДокумент Про конспецифічність Thyrostroma tiliae та Stegonsporium compactum var. tiliae(Київ : Інститут ботаніки ім. М.Г. Холодного НАН України, 2021-10) Якунькін, Яків Дмитрович; Згонник, Микола ОлексійовичThyrostroma tiliae Senwanna, Wanas., Bulgakov, Phookamsak & K.D. Hyde (2019) was described recently as a new species for science. After in detail comparison with the holotype of Stegonsporium compactum var. tiliae Sacc. in Potebnia (1907), we can assume that it is the same species. The name Thyrostroma tiliae needs to be formed as a new combination based on the mentioned above varietyДокумент Перші знахідки Botryosphaeria iberica в Україні(Київ : Інститут ботаніки ім. М.Г. Холодного НАН України, 2021-10) Худич, Анастасія СергіївнаInformation about the first records of Botryosphaeria iberica A.J.L. Phillips, J. Luque & A. Alves from the territory of Ukraine is given. Frangula alnus Mill. is specified as a host for this species for the first time. The status of the species within the Botryosphaeria sarmentorum species complex is being discussedДокумент Перші знахідки Myxarium cinnamomescens (Basidiomycota, Fungi) в Україні(Інститут ботаніки ім. М.Г. Холодного НАН України, 2021-10) Фоменко, М.І.; Мєшков, Я.В.; Fomenko, M.I.; Mieshkov, Ya.V.Myxarium cinnamomescens (Raitv.) Raitv. – the fungal species which is Myxarium nucleatum-complex representative, is registered in Ukraine for the first time. Its identification is confirmed by morphological and molecular examination. As a result, the known area of distribution of this species significantly widens to the SouthДокумент Просторовий розподіл Antherospora scillae – патогена проліски сибірської в околицях м. Харкова(Інститут ботаніки ім. М.Г. Холодного НАН України, 2021-10) Полєжаєв, І.І.; Прилуцький, О.В.Raising cases of Siberian snowdrop (Scilla siberica Haw.) disease, caused by smut fungus Antherospora scillae, were reported nearby Kharkiv city. Preliminary results of plot-based quantitative survey suggested that the starting point of infection was located near Pyatykhatky settlement, from where it spread northward and southwardДокумент Знахідка рідкісного гриба Steccherinum gracile (Pilát) Parmasto з Національного природного парку “Слобожанський” (Харківська обл., Україна)(Київ : Інститут ботаніки ім. М.Г. Холодного НАН України, 2021-10) Мєшков, Я.В.; Ачкасов, Данило ОлександровичДокумент Мікроміцети у повітрі книгосховища Центральної наукової бібліотеки Каразінського університету(Інститут ботаніки ім. М.Г. Холодного НАН України, 2021-10) Коган, С.В.Preliminary monitoring study of microscopic fungi in the air of the library was carried out. Exposition of Petri dishes for 30 minutes is most convenient for detecting the micromycetes species