Corticioid fungus Hypoxylon vogesiacum on dry wood in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Ulitsa Orekhovaya, 13, Кавелахта, Ленинградская, Russia, 198325Synonyms: Hypoxylon omphalostoma, Hypoxylon rubiginosum, Sphaeria vogesiaca.
Russian name: Gipoksilon vogezskiy.
Hypoxylon vogesiacum is a species of fungus that belongs to the family Hypoxylaceae. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows on decaying wood, particularly on deciduous trees such as birch, alder, and willow. The fungus produces stromata that are initially white or pale yellow, later turning brown to black, with a rough surface and perithecia that are partially immersed in the stromatal tissue. It is a relatively rare species in the region, often found in moist, shaded areas with rich organic matter.
Corticioid fungus Hypoxylon vogesiacum on dry wood in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021Ulitsa Orekhovaya, 13, Кавелахта, Ленинградская, Russia, 198325The corticioid fungus Hypoxylon vogesiacum was observed growing on dry wood in a hazelnut forest on the slope of Orekhovaya Gora Hill in Duderhof Heights, south of Saint Petersburg, Leningrad Oblast, Russia. The observation took place on May 9, 2021. This location is significant as it represents one of the northernmost points where this species has been documented. Typically, Hypoxylon vogesiacum is found in warmer and more humid environments, suggesting that its presence here may indicate a tolerance for cooler temperatures or an adaptation to local microclimatic conditions. The specific habitat within the hazelnut forest on a hill slope might provide unique conditions favorable for the fungus's growth, such as increased moisture retention or protection from extreme weather fluctuations. Further study could elucidate the ecological preferences and distribution limits of H. vogesiacum in north-western Russia.
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