Rhodocollybia prolixa is a species of fungus that belongs to the family Omphalotaceae. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows in coniferous and mixed forests, often associated with mosses and lichens. The cap is 2-6 cm in diameter, convex to flat, and reddish-brown to brown in color. The gills are crowded, pinkish-beige to buff, and the stem is slender, 3-8 cm long, and colored similarly to the cap. Fruiting bodies usually appear from July to October.
Mushrooms Rhodocollybia prolixa (Collybia distorta)(?) near Lembolovo, north from Saint Petersburg, Russia, August 13, 2016 Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Mushrooms Rhodocollybia prolixa (Collybia distorta)(?) on roadside in sand near Orekhovo, north from Saint Petersburg. Russia, August 13, 2016 Unnamed Road, Leningradskaya oblast', Russia
Mushrooms Rhodocollybia prolixa (Collybia distorta) on a stump in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017 Polyanskaya dor., Sankt-Peterburg, Russia, 197755
Mushrooms Rhodocollybia prolixa (Collybia distorta) on moss around a stump in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017 Polyanskaya dor., Sankt-Peterburg, Russia, 197755
Group of mushrooms Rhodocollybia prolixa (Collybia distorta) in moss in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017 Polyanskaya dor., Sankt-Peterburg, Russia, 197755
Mushrooms Rhodocollybia prolixa (Collybia distorta) in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017 Polyanskaya dor., Sankt-Peterburg, Russia, 197755
Toothed toughshank mushrooms (Rhodocollybia prolixa)(?) near Lembolovo, 40 miles north from Saint Petersburg. Russia, August 27, 2017 Unnamed Road, Leningradskaya oblast', Russia, 188695
Toothed toughshank mushrooms (Rhodocollybia prolixa)(?) on roadside near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 27, 2017 Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Toothed toughshank mushrooms (Rhodocollybia prolixa)(?) near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017 Unnamed Road, Leningradskaya oblast', Russia, 188663
Toothed toughshank mushrooms (Rhodocollybia prolixa)(?) on mulch in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017 ulitsa Professora Popova, 1/6, St Petersburg, Russia, 197022
Dissected toothed toughshank mushrooms (Rhodocollybia prolixa)(?) on mulch in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017 ulitsa Professora Popova, 1/6, St Petersburg, Russia, 197022
Toothed toughshank mushrooms (Rhodocollybia prolixa)(?) at a base of a tree in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017 Politekhnicheskaya Ulitsa, 29к12, St Petersburg, Russia, 195251
AI-generated summary of observations
Observations of Rhodocollybia prolixa in Leningrad Oblast and north-western Russia show that the fungus grows in various environments, including sandy roadsides, stumps, moss, and mulch. In Lisiy Nos, west of Saint Petersburg, the mushrooms were found on a stump, in moss around a stump, and in groups in moss. Similar findings were reported near Lembolovo, Orekhovo, and Kuzmolovo, north of Saint Petersburg. The fungus was also spotted in urban areas, such as the Botanic Gardens of Komarov Botanical Institute and Park of Polytechnic Institute in Saint Petersburg. The observations took place between July and September, with multiple sightings in August and September, suggesting that the fungus is active during this period. The mushrooms were often found near trees or on decomposing organic matter.
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Search of mushroom species for given keywords "Rhodocollybia prolixa" was done through
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