Blackening brittlegill mushrooms (Russula nigricans) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
Saint Petersburg, Russia, 197755Synonyms: Agaricus adustus, Agaricus elephantinus, Agaricus nigrescens, Omphalia adusta, Russula adusta, Russula eccentrica, Russula elephantina.
Common name: blackening brittlegill.
Russian names: Podgruzdok cherneiushchiy, Syroezhka cherneiushchaya.
Extract from Wikipedia article: Russula nigricans, commonly known as the blackening brittlegill or blackening russula, is a gilled mushroom found in woodland in Europe. It gains both its common and scientific name from its propensity to turn black from cutting or bruising. It is edible but of indifferent quality.
Russula nigricans is a species of mushroom that grows in association with trees, particularly conifers and birches. In St. Petersburg and Leningrad Oblast, it typically fruits from July to September in moist, acidic soils. The cap is 5-10 cm in diameter, blackish-brown to dark brown, and often cracked. The stem is white or pale yellow, up to 8 cm tall and 1-2 cm thick. In north-western Russia, Russula nigricans is commonly found in sphagnum bogs, forest edges, and clearings, often with birch, spruce, or pine trees. It is considered edible, but not highly prized due to its soft flesh and mild flavor.
Blackening brittlegill mushrooms (Russula nigricans) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018Saint Petersburg, Russia, 197755
Top view of a blackening brittlegill mushroom (Russula nigricans) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024Russia, Leningrad, Сосново, 188730, Хвойная Улица 4
Underside of a blackening brittlegill mushroom (Russula nigricans) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024Russia, Leningrad, Сосново, 188730, Хвойная Улица 4
Cross section of a blackening brittlegill mushroom (Russula nigricans) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024Russia, Leningrad, Сосново, 188730, Хвойная Улица 4Observations of Russula nigricans in Leningrad Oblast and north-western Russia reveal the fungus's characteristics. Near Lisiy Nos, south of Saint Petersburg, the mushrooms were found on August 17, 2018. In Orekhovo, north of Saint Petersburg, observations on August 1, 2024, showed the mushroom's top view, with a distinctive appearance. The underside of the mushroom was also observed, showcasing its gills. A cross-section of the mushroom revealed its internal structure. These observations provide insight into the morphology and growth of Russula nigricans in the region. The fungus was found to have a characteristic blackening coloration, hence its common name, blackening brittlegill. The observations highlight the species' presence in Leningrad Oblast and north-western Russia, with specific sightings near Saint Petersburg.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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