Extract from Wikipedia article: Russula albonigra is a member of the genus Russula, all of which are collectively known as brittlegills.
AI-generated description
Russula albonigra is a medium-sized mushroom with a white to cream cap that often bruises blackish, and a white stem. In St. Petersburg and Leningrad Oblast, it typically grows in coniferous forests, especially under spruce and pine trees. In north-western Russia, it fruits from July to September, preferring moist, acidic soils. The species is considered rare in the region, but can be found in areas with suitable habitat, such as the Karelian Isthmus and the Valdai Hills.
Brittlegill mushrooms (Russula albonigra, Russian name Podgruzdok) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 24, 2016 Dachnaya ul., Leningradskaya oblast', Russia, 188664
Brittlegill mushrooms (Russula albonigra, Russian name Podgruzdok) on roadside near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 24, 2016 Dachnaya ul., Leningradskaya oblast', Russia, 188664
Menthol brittlegill mushrooms (Russula albonigra) near Pesochnaya, north-west from Saint Petersburg. Russia, July 23, 2017 Proletarskiy pr., 31, Sankt-Peterburg, Russia, 197758
Menthol brittlegill mushrooms (Russula albonigra) in Tarkhovka Park, west from Saint Petersburg. Russia, August 26, 2017 Primorskoye Shosse, Sankt-Peterburg, Russia, 197701
Dissected menthol brittlegill mushrooms (Russula albonigra) in Tarkhovka Park, west from Saint Petersburg. Russia, August 26, 2017 Primorskoye Shosse, Sankt-Peterburg, Russia, 197701
Menthol brittlegill mushrooms (Russula albonigra) north from Lembolovo, 40 miles north from Saint Petersburg. Russia, September 9, 2017 Unnamed Road, Leningradskaya oblast', Russia, 188695
Brittlegill mushrooms (Russula albonigra, Russian name Podgruzdok) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018 Primorskoye Shosse, Sankt-Peterburg, Russia, 197755
Blackened mature menthol brittlegill mushroom (Russula albonigra) in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024 улица Инструментальщиков, Разлив, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, Россия
AI-generated summary of observations
Observations of Russula alnonigra were made in various locations across Leningrad Oblast and north-western Russia. The fungus was found near Kavgolovskoe Lake in Toksovo, Pesochnaya, Tarkhovka Park, Lembolovo, and Lisiy Nos. The mushrooms were observed growing in different environments, including roadside areas and parks. They were spotted during the summer months, from July to September, with some observations made over multiple years. Dissected specimens were also examined, providing further insight into the fungus's characteristics. Additionally, mature specimens were found to become blackened over time, as seen in Tarkhovka Park in 2024. The widespread presence of Russula alnonigra in these regions suggests that it is a common species in north-western Russia.
Comments
Search of mushroom species for given keywords "Russula albonigra" was done through
catalogueoflife.org.
Selection of a particular species from the list of 8 species was performed automatically.