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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Cortinariaceae: Cortinarius mucosus (Bull.) J. Kickx fil., 1867

Cortinarius mucosus – Orange webcap

Synonyms: Agaricus mucosus, Cortinarius collinitus, Myxacium mucosum.

Common name: orange webcap.

Russian name: Pautinnik slizistyy.

Extract from Wikipedia article: Cortinarius mucosus, commonly known as the orange webcap or the slimy cortinarius, is a species of mushroom in the family Cortinariaceae. In North America, the species is more commonly associated with northern coniferous forests. The specific epithet is derived from the Latin word mucosus, meaning mucus.

AI-generated description

Cortinarius mucosus is a species of fungus that belongs to the family Cortinariaceae. It has a slimy cap that is 2-6 cm in diameter, initially convex then flattened, with a violet-brown to reddish-brown color. The stipe is 3-7 cm long and 0.5-1.5 cm thick, with a similar color to the cap. In St. Petersburg, Leningrad Oblast, and north-western Russia, Cortinarius mucosus has been found in coniferous and mixed forests, often associated with spruce and pine trees. It typically fruits from late summer to early autumn, preferring moist and acidic soils. The species is considered rare in the region, but can be locally abundant in suitable habitats.

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

Slimy orange webcap mushroom (<B>Cortinarius mucosus</B>) growing in Yagel (Cladonia sp.) lichens west from Kannelyarvi, 40 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2012-08-07.htm">August 7, 2012</A>
LinkSlimy orange webcap mushroom (Cortinarius mucosus) growing in Yagel (Cladonia sp.) lichens west from Kannelyarvi, 40 miles north from Saint Petersburg. Russia, August 7, 2012
Location on mapsA125, Leningrad Oblast, Russia
Orange webcap mushrooms (slimy cortinarius, <B>Cortinarius mucosus</B>) in Lembolovo, 35 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2016-08-31.htm">August 31, 2016</A>
LinkOrange webcap mushrooms (slimy cortinarius, Cortinarius mucosus) in Lembolovo, 35 miles north from Saint Petersburg. Russia, August 31, 2016
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188695
Orange (slimy) webcap mushrooms (<B>Cortinarius mucosus</B>) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, <A HREF="../date-en/2016-10-16.htm">October 16, 2016</A>
LinkOrange (slimy) webcap mushrooms (Cortinarius mucosus) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
Location on mapsUnnamed Road, Vyritsa, Leningradskaya oblast', Russia, 188381
Slimy webcap mushrooms <B>Cortinarius mucosus</B> on a sandy road in pine forest between Orekhovo and Lembolovo, 40 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-18.htm">August 18, 2017</A>
LinkSlimy webcap mushrooms Cortinarius mucosus on a sandy road in pine forest between Orekhovo and Lembolovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Orange webcap mushrooms (<B>Cortinarius mucosus</B>) north from Lembolovo, 40 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-09.htm">September 9, 2017</A>
LinkOrange webcap mushrooms (Cortinarius mucosus) north from Lembolovo, 40 miles north from Saint Petersburg. Russia, September 9, 2017
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188695
Orange webcap mushrooms (<B>Cortinarius mucosus</B>) near Lembolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-20.htm">September 20, 2017</A>
LinkOrange webcap mushrooms (Cortinarius mucosus) near Lembolovo, north from Saint Petersburg. Russia, September 20, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Fairy ring of orange webcap mushrooms (<B>Cortinarius mucosus</B>) near Lembolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-20.htm">September 20, 2017</A>
LinkFairy ring of orange webcap mushrooms (Cortinarius mucosus) near Lembolovo, north from Saint Petersburg. Russia, September 20, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Webcap mushrooms (<B>Cortinarius mucosus</B>(?)) near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-28.htm">August 28, 2018</A>
LinkWebcap mushrooms (Cortinarius mucosus(?)) near Dibuny, north-west from Saint Petersburg. Russia, August 28, 2018
Location on mapsLeninskaya Tropa, Pesochny, Sankt-Peterburg, Russia
Orange webcap mushrooms (<B>Cortinarius mucosus</B>(?)) near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-28.htm">August 28, 2018</A>
LinkOrange webcap mushrooms (Cortinarius mucosus(?)) near Dibuny, north-west from Saint Petersburg. Russia, August 28, 2018
Location on mapsLeninskaya Tropa, Pesochny, Sankt-Peterburg, Russia
Orange webcap mushrooms (<B>Cortinarius mucosus</B>) between Oselki and Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2024-08-13.htm">August 13, 2024</A>
LinkOrange webcap mushrooms (Cortinarius mucosus) between Oselki and Toksovo, north from Saint Petersburg. Russia, August 13, 2024
Location on mapsТоксовское городское поселение, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, Россия

AI-generated summary of observations

Observations of Cortinarius mucosus in Leningrad Oblast and north-western Russia reveal that the fungus grows in various locations, often in association with lichens or in pine forests. It has been found growing in Yagel lichens, on sandy roads, and in areas with low vegetation. The mushrooms typically appear in late summer to early fall, with sightings recorded from August to October. They often form fairy rings, as observed near Lembolovo. The fungus has been spotted in multiple locations north of Saint Petersburg, including Lembolovo, Posiolok, and between Orekhovo and Lembolovo. Similar species have also been found near Dibuny, with some sightings requiring confirmation of the species identity. Recent observations continue to be recorded, with a sighting as recent as August 2024 between Oselki and Toksovo.

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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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