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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Omphalotaceae: Rhodocollybia maculata (Alb. & Schwein.) Singer, 1939

Rhodocollybia maculata – Spotted toughshank

Synonyms: Agaricus maculatus, Agaricus scorzonereus, Collybia maculata, Collybia scorzonerea.

Common name: spotted toughshank.

Russian name: Kollibiya pyatnistaya.

Extract from Wikipedia article: Rhodocollybia maculata, common name Spotted Toughshank, is a species of fungus in the Marasmiaceae family of mushrooms.

AI-generated description

Rhodocollybia maculata is a small to medium-sized agaric fungus with a reddish-brown to brown cap, often with darker spots or patches, and a slender stem. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically fruits in late summer to early autumn in coniferous and mixed forests, particularly under spruce, pine, and birch trees. The fungus is relatively common in the region, often found in moist areas with rich soil and abundant leaf litter.

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

Spotted toughshank mushrooms (<B>Rhodocollybia maculata</B>)(?) on wood chips on a forest cutting under power lines near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-18.htm">September 18, 2017</A>
LinkSpotted toughshank mushrooms (Rhodocollybia maculata)(?) on wood chips on a forest cutting under power lines near Dibuny, north-west from Saint Petersburg. Russia, September 18, 2017
Location on mapsBeloostrovskoye Shosse, 1, Pesochny, Sankt-Peterburg, Russia, 197758
Spotted toughshank mushrooms (<B>Rhodocollybia maculata</B>)(?) on an old railroad grade in Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2024-08-09.htm">August 9, 2024</A>
LinkSpotted toughshank mushrooms (Rhodocollybia maculata)(?) on an old railroad grade in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
Location on mapsБывшая узкоколейка, Город Всеволожск, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, 188663, Россия
Side view of spotted toughshank mushrooms (<B>Rhodocollybia maculata</B>)(?) on an old railroad grade in Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2024-08-09.htm">August 9, 2024</A>
LinkSide view of spotted toughshank mushrooms (Rhodocollybia maculata)(?) on an old railroad grade in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
Location on mapsБывшая узкоколейка, Город Всеволожск, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, 188663, Россия

AI-generated summary of observations

Observations of Rhodocollybia maculata in Leningrad Oblast and north-western Russia reveal that the fungus grows in various habitats. On September 18, 2017, it was found on wood chips on a forest cutting under power lines near Dibuny, north-west of Saint Petersburg. Later, on August 9, 2024, it was observed on an old railroad grade in Kuzmolovo, north of Saint Petersburg. The mushrooms were seen growing in groups, with some observations providing side views of the fungi. These sightings suggest that Rhodocollybia maculata can thrive in disturbed or altered environments, such as forest cuttings and abandoned railroad grades, in the region. The fungus appears to be able to grow on wood debris and other organic matter, indicating its ability to adapt to different substrates. These observations contribute to our understanding of the ecology and distribution of Rhodocollybia maculata.

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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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