Rooting bonnet mushrooms (Mycena megaspora) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016Synonyms: Mycena dissimulabilis, Mycena uracea.
Common name: rooting bonnet.
Russian name: Mitsena krupnosporovaya.
Mycena megaspora is a species of fungus that belongs to the family Mycenaceae. It has been found in St. Petersburg, Leningrad Oblast, and north-western Russia, typically growing on decaying wood, stumps, and forest litter. The fungus produces small to medium-sized fruiting bodies with bell-shaped or conical caps, ranging in color from white to grayish-brown, and long, slender stems. In the region, it usually fruits from late summer to early autumn, preferring moist, shaded areas with rich organic matter.
Rooting bonnet mushrooms (Mycena megaspora) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
Rooting bonnet mushrooms (Mycena megaspora) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
Rooting bonnet mushroom (Mycena megaspora) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
Unnamed Road, Sankt-Peterburg, Russia
Gills of rooting bonnet mushroom (Mycena megaspora) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017Unnamed Road, Sankt-Peterburg, Russia
Rooting bonnet mushroom (Mycena megaspora) in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017Unnamed Road, St Petersburg, Russia
Cortinarius flexipes, Lactarius vietus, Leccinum holopus, and Mycena megaspora mushrooms in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017Unnamed Road, St Petersburg, Russia
Gills of rooting bonnet mushroom (Mycena megaspora) in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017Unnamed Road, St Petersburg, Russia
Rooting bonnet mushroom (Mycena megaspora) found in moss in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017Unnamed Road, St Petersburg, Russia
Amanita fulva (egg stage), Mycena megaspora, Lactarius vietus, Cortinarius sp., Hebeloma crustuliniforme, and Laccaria proxima mushrooms in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017Unnamed Road, St Petersburg, Russia, 194295
Galerina triscopa, Lactarius vietus, Leccinum holopus, Cortinarius flexipes, Mycena megaspora, Hebeloma crustuliniforme, Laccaria proxima, Amanita fulva (egg stage), and Cortinarius sp. mushrooms in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017Unnamed Road, St Petersburg, Russia, 194295
Mycena megaspora, Galerina triscopa, Leccinum holopus, Lactarius vietus, Hebeloma crustuliniforme, Amanita fulva, and Cortinarius flexipes mushrooms in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017Unnamed Road, St Petersburg, Russia, 194295
Rooting bonnet mushroom (Mycena megaspora) near Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, August 31, 2018Leningrad Oblast, Russia, 188850
Gills of rooting bonnet mushroom (Mycena megaspora) near Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, August 31, 2018Leningrad Oblast, Russia, 188850
Underside of rooting bonnet mushroom (Mycena megaspora) in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024улица Инструментальщиков, Разлив, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, Россия
Rooting bonnet mushroom (Mycena megaspora) in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024улица Инструментальщиков, Разлив, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, Россия
Spores of rooting bonnet mushroom (Mycena megaspora)(?) collected earlier 8/2/2024 in Tarkhovka Park, west from Saint Petersburg, Russia, August 23, 2024Observations of Mycena megaspora in Leningrad Oblast and north-western Russia reveal that the fungus grows in swampy areas, often found in moss or near other mushrooms. In Sosnovka Park, Saint Petersburg, it was observed on multiple occasions between 2016 and 2017, often alongside species like Cortinarius flexipes, Lactarius vietus, and Leccinum holopus. The mushroom's gills were also examined, providing further details about its morphology. Outside of Sosnovka Park, Mycena megaspora was found near Zakhodskoe, 50 miles north of Saint Petersburg, in 2018, and in Tarkhovka Park, west of Saint Petersburg, in 2024. The observations suggest that the fungus is widespread in the region and can thrive in various environments, with its spores collected for further study. The presence of Mycena megaspora in these areas highlights the diversity of fungal species in north-western Russia.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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