Synonyms: Agaricus archyropus, Agaricus confluens, Chamaeceras archyropus, Collybia confluens, Marasmius archyropus, Marasmius confluens, Marasmius hariolorum.
Common name: clustered toughshank.
Russian names: Denezhka slivaiushchayasya, Kollibiya slivaiushchayasya, Kollibiya srastaiushchayasya.
Gymnopus confluens is a species of fungus that grows in clusters or tufts, typically on decaying wood or soil. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found to thrive in moist environments, often associated with coniferous forests, particularly spruce and fir. The cap is 1-4 cm in diameter, convex to flat, and ranges in color from yellow-brown to grey-brown, while the gills are crowded and pale brown. It fruits from summer to autumn, with peak abundance in August and September.
Tufted tough-shank mushrooms (Clustered Toughshank, Gymnopus confluens, Collybia confluens) on northern shore of Kavgolovskoe Lake near Oselki, 12 miles north from Saint Petersburg. Russia, September 20, 2013
Unnamed Road, Oselki, Leningradskaya oblast', Russia, 188665
Tufted tough-shank mushrooms (Clustered Toughshank, Gymnopus confluens, Collybia confluens) in Sosnovka Park. Saint Petersburg, Russia, July 11, 2016Svetlanovskiy pr., 22, Sankt-Peterburg, Russia, 194223
Gymnopus confluens (Collybia confluens) mushrooms in Toksovo, suburb of Saint Petersburg. Russia, July 19, 2016Glavnaya, 107, Syargi, Leningradskaya oblast', Russia, 188664
Clustered toughshank mushrooms (Gymnopus confluens, Collybia confluens) on Old Sylvia Alley in Pavlovsk Park. Pavlovsk near Saint Petersburg, Russia, July 28, 2016Беседка великому князю Вячеславу Константиновичу, Rozovopavilyonnaya al., Pavlovsk, g. Sankt-Peterburg, Russia, 196621
Clustered toughshank mushrooms (Gymnopus confluens, Collybia confluens) under spruce trees in area of Old Sylvia in Pavlovsk Park. Pavlovsk near Saint Petersburg, Russia, July 28, 2016Колонна "Конец света", Okruzhnaya al., Pavlovsk, g. Sankt-Peterburg, Russia, 196625
Tufted tough-shank mushrooms (Clustered Toughshank, Gymnopus confluens, Collybia confluens) in Sosnovka Park. Saint Petersburg, Russia, August 3, 2016
Tufted tough-shank mushrooms (Clustered Toughshank, Gymnopus confluens, Collybia confluens) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, August 22, 2016Parkovaya ul., 5, Tyarlevo, g. Sankt-Peterburg, Russia, 196625
Clustered toughshank mushrooms (Gymnopus confluens) in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017Unnamed Road, St Petersburg, Russia
Clustered toughshank mushrooms (Gymnopus confluens) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 27, 2017Okruzhnaya Alleya, Pavlovsk, Sankt-Peterburg, Russia, 196625
Tufted tough-shank mushrooms (Clustered Toughshank, Gymnopus confluens, Collybia confluens) in West Kotlin Nature Reserve in Kronstadt. Saint Petersburg, Russia, September 2, 2018Kronshtadtskoye Shosse, 47, Kronshtadt, Sankt-Peterburg, Russia, 197761
Tufted tough-shank mushrooms (Clustered Toughshank, Gymnopus confluens, Collybia confluens)(?) in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, September 4, 2018Lindulovskaya Doroga, Leningradskaya oblast', Russia
Clustered toughshank mushrooms (Gymnopus confluens) north from Pole Chudes Gardens, in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024Кузьмоловский, Кузьмоловское городское поселение, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, 188663, Россия
Clustered toughshank mushrooms (Gymnopus confluens) between Oselki and Toksovo, north from Saint Petersburg. Russia, August 13, 2024Южная улица, Токсовское городское поселение, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, 188664, РоссияObservations of Gymnopus confluens in Leningrad Oblast and north-western Russia reveal its presence in various locations. The fungus was found on the northern shore of Kavgolovskoe Lake near Oselki, as well as in Sosnovka Park, Toksovo, Pavlovsk Park, and West Kotlin Nature Reserve in Kronstadt. It also appeared in Lindulovskaya Larch Grove near Roshchino and north from Pole Chudes Gardens in Kuzmolovo. The mushrooms were typically found under spruce trees or in wooded areas, with sightings recorded between July and September. Repeat observations were made in Sosnovka Park and Pavlovsk Park over several years, indicating a consistent presence of the fungus in these locations. Additionally, sightings were reported in areas between Oselki and Toksovo, north from Saint Petersburg, in August 2024.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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