Synonyms: Cortinarius orellanoides, Cortinarius speciosissimus, Cortinarius speciosus, Dermocybe orellanoides.
Common name: deadly webcap.
Russian names: Pautinnik krasiveyshiy, Pautinnik krasnovatyy.
Extract from Wikipedia article: Cortinarius rubellus, commonly known as the deadly webcap, is a species of fungus in the family Cortinariaceae, native to Europe and North America. Within the genus it belongs to a group known as the Orellani, all of which are highly toxic — eating them results in kidney failure, which is often irreversible. The mushroom is generally tan to brown all over.
Cortinarius rubellus is a small to medium-sized agaric fungus with a reddish-brown cap and yellowish to brown gills. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found in coniferous forests, typically growing under spruce, fir, or pine trees. The fruiting bodies usually appear from late summer to early autumn, often in moist areas with rich soil. The fungus is considered rare and potentially deadly due to its toxicity, containing orellanin, a nephrotoxin that can cause severe kidney damage if ingested.
In Leningrad Oblast and north-western Russia, Cortinarius rubellus has been observed in various locations. In Kannelyarvi, 45 miles north of Saint Petersburg, the fungus was found on August 11, 2017. Similar observations were made in the same area, with specimens collected for further study. Additionally, the deadly webcap mushrooms were spotted in Lindulovskaya Larch Grove, near Roshchino, approximately 30 miles north-west of Saint Petersburg, on September 4, 2018. These sightings suggest that Cortinarius rubellus is present in the region, particularly in areas with suitable habitats such as larch groves and potentially other types of forests. The observations were made during late summer to early fall, indicating a possible peak activity period for the fungus in this region. The presence of Cortinarius rubellus in these areas highlights the importance of being aware of toxic mushrooms in the region.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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