The first record of Geopora arenicola for Uzbekistan is reported from Nuratau Nature Reserve. The genus Geopora is also recorded for the first time in Uzbekistan. Ascocarps of the fungus at first are usually spherical, completely immersed in soil, later they emerge at the ground surface and open at the top. Mature apothecia have a central opening with torn edges and whitish to grayish hymenium surface. A description, distribution data, images of apothecia and micromorphological characters of the fungus are provided.

Keywords: Acer tataricum, Geopora arenicola, Nuratau Nature Reserve, micromorphology, mycorrhiza, Pyronemataceae

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