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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Cortinariaceae: Cortinarius trivialis J. E. Lange, 1940

Cortinarius trivialis – Girdled webcap

Synonyms: Cortinarius collinitus, Cortinarius mucifluus, Inocybe trivialis, Myxacium collinitum, Myxacium triviale.

Common name: girdled webcap.

Russian name: Pautinnik obyknovennyy.

Extract from Wikipedia article: Cortinarius trivialis is a species of fungus in the genus Cortinarius.

AI-generated description

Cortinarius trivialis is a species of fungus that belongs to the genus Cortinarius. It has a brown cap and stem, with rusty-brown to cinnamon-brown spores. In St. Petersburg and Leningrad Oblast, it typically grows in coniferous and mixed forests, often associated with spruce and pine trees. In north-western Russia, it is commonly found in similar habitats, including mossy spruce forests and woodland edges, particularly in areas with acidic soils and moderate to high levels of moisture. Fruit bodies usually appear from late summer to early autumn.

Photos of this mushroom from the area of St. Petersburg, Russia

Girdled webcap mushrooms (<B>Cortinarius trivialis</B>) in Mshinskaya, Luga Region. Russia, <A HREF="../date-en/2016-09-02.htm">September 2, 2016</A>
LinkGirdled webcap mushrooms (Cortinarius trivialis) in Mshinskaya, Luga Region. Russia, September 2, 2016
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188267
Girdled webcap mushrooms (<B>Cortinarius trivialis</B>) on roadside near Kavgolovo Lake, north from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-05.htm">September 5, 2016</A>
LinkGirdled webcap mushrooms (Cortinarius trivialis) on roadside near Kavgolovo Lake, north from Saint Petersburg. Russia, September 5, 2016
Location on mapsDachnaya ul., Leningradskaya oblast', Russia, 188664
Girdled webcap mushrooms (<B>Cortinarius trivialis</B>)(?) in Tarkhovka Park, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-26.htm">August 26, 2017</A>
LinkGirdled webcap mushrooms (Cortinarius trivialis)(?) in Tarkhovka Park, west from Saint Petersburg. Russia, August 26, 2017
Location on mapsPeschanaya Ulitsa, 1, Tarkhovka, Sankt-Peterburg, Russia, 197701
Girdled webcap mushrooms (<B>Cortinarius trivialis</B>) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2018-09-05.htm">September 5, 2018</A>
LinkGirdled webcap mushrooms (Cortinarius trivialis) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, September 5, 2018
Location on mapsMalinovaya Gora, Dachnaya Ulitsa, 17а, Toksovo, Leningradskaya oblast', Russia, 188664

AI-generated summary of observations

Observations of Cortinarius trivialis in Leningrad Oblast and north-western Russia reveal the fungus grows in various locations. In Mshinskaya, Luga Region, it was found on September 2, 2016. Near Kavgolovo Lake, north of Saint Petersburg, it was observed on September 5, 2016, and again near Kavgolovskoe Lake in Toksovo on September 5, 2018. A possible sighting was also recorded in Tarkhovka Park, west of Saint Petersburg, on August 26, 2017. The fungus appears to thrive in the region's roadside and lake areas, with multiple sightings occurring in late summer to early fall. The consistent presence of Cortinarius trivialis in these areas suggests it may be a common species in the region during this time period. The observations span several years, indicating a stable population.

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Links

Acknowledgements

Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.

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