Cortinarius decipiens is a species of fungus that belongs to the family Cortinariaceae. It has a brown cap and gills, and a slender stipe. In St. Petersburg, Leningrad Oblast, and north-western Russia, Cortinarius decipiens typically grows in coniferous and mixed forests, often associated with spruce and pine trees. Fruitings usually occur from late summer to early autumn, in moist areas with rich soil. The fungus is considered rare in the region, but can be found in protected areas and nature reserves, such as the Kivach Nature Reserve and the Vepsian forest reserve.
Sepia webcap mushrooms (Cortinarius decipiens)(?) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016 Primorskoye sh., g. Sankt-Peterburg, Russia, 197755
Sepia webcap mushrooms (Cortinarius decipiens)(?) between Morskaya and Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016 Primorskoye sh., g. Sankt-Peterburg, Russia, 197755
Sepia webcap mushrooms (Cortinarius decipiens) in Dibuny, near Saint Petersburg. Russia, August 20, 2017 Unnamed Road, Sankt-Peterburg, Russia, 197758
Sepia webcap mushrooms (Cortinarius decipiens) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017 Primorskoye Shosse, Sankt-Peterburg, Russia, 197755
Sepia webcap mushrooms (Cortinarius decipiens)(?) near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018 Primorskoye Shosse, Sankt-Peterburg, Russia, 197755
Sepia webcap mushrooms (Cortinarius decipiens) near Dibuny, north-west from Saint Petersburg, Russia, September 3, 2018 Leninskaya Tropa, Pesochny, Sankt-Peterburg, Russia
Sepia webcap mushrooms (Cortinarius decipiens) in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, September 4, 2018 Lindulovskaya Doroga, Leningradskaya oblast', Russia, 197729
AI-generated summary of observations
Observations of Cortinarius decipiens in Leningrad Oblast and north-western Russia reveal a presence in various locations. The fungus was found near Lisiy Nos, south of Saint Petersburg, on September 3, 2016, and again between Morskaya and Lisiy Nos on the same day. In 2017, it was spotted in Dibuny, near Saint Petersburg, on August 20, and in Blizhnie Dubki area near Lisiy Nos on September 11. Further sightings occurred near Lisiy Nos on September 1, 2018, and near Dibuny on September 3, 2018. Additionally, the fungus was found in Lindulovskaya Larch Grove, near Roshchino, on September 4, 2018. These observations suggest that Cortinarius decipiens is present in the region, with multiple sightings over several years. The fungus appears to thrive in various areas, including groves and coastal regions, in late summer and early fall.
Comments
Search of mushroom species for given keywords "Cortinarius decipiens" was done through
catalogueoflife.org.
Selection of a particular species from the list of 13 species was performed automatically.