Buttery Collybia mushrooms (Rhodocollybia butyracea) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016Synonyms: Agaricus asemus, Agaricus bibulosus, Agaricus butyraceus, Agaricus leiopus, Agaricus spongiosus, Collybia asema, Collybia aurorea, Collybia bibulosa, Collybia butyracea, Marasmius asemus.
Common name: butter cap.
Russian names: Kollibiya kashtanovaya, Kollibiya maslyanaya, Kollibiya maslyanistaya, Rodokollibiya maslyanaya, Denezhka maslyanaya.
Extract from Wikipedia article: Rhodocollybia butyracea, common name Buttery Collybia, is a species of fungus in the mushroom family Marasmiaceae.
Rhodocollybia butyracea is a small to medium-sized agaric fungus with a butter-yellow to golden-brown cap and white to pale yellow gills. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows in coniferous and mixed forests, often associated with spruce, pine, or birch trees. Fruiting bodies usually appear from July to October, preferring moist, acidic soils with abundant leaf litter and moss cover. The species is considered widespread but not particularly common in the region, with scattered records from various nature reserves, parks, and forest areas.
Buttery Collybia mushrooms (Rhodocollybia butyracea) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
Buttery Collybia mushrooms (Rhodocollybia butyracea) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
Buttery Collybia mushrooms (Rhodocollybia butyracea)(?) near Kavgolovo Lake, north from Saint Petersburg. Russia, September 5, 2016
Dachnaya ul., Leningradskaya oblast', Russia, 188664
Buttery Collybia mushrooms (Rhodocollybia butyracea)(?) near Dibuny, west from Saint Petersburg. Russia, September 7, 2016Unnamed Road, Pesochnyy, g. Sankt-Peterburg, Russia
Buttery Collybia mushrooms (Rhodocollybia butyracea) in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 26, 2016Колонна "Конец света", Okruzhnaya al., Pavlovsk, g. Sankt-Peterburg, Russia, 196625
Buttery Collybia mushrooms (Rhodocollybia butyracea) in area of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, November 1, 2016Lipetskaya al., Pavlovsk, g. Sankt-Peterburg, Russia, 196625
Butter cap mushrooms (Rhodocollybia butyracea) in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017Severnyy Prospekt, 26к1, St Petersburg, Russia, 194295
Butter cap mushrooms (Rhodocollybia butyracea) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017Kolonna "Konets Sveta", Okruzhnaya Alleya, Pavlovsk, Sankt-Peterburg, Russia, 196625
Butter cap mushrooms (Rhodocollybia butyracea) in a spruce forest in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017Alleya Chornoy Shlyapy, Pavlovsk, Sankt-Peterburg, Russia
Butter cap mushrooms (Rhodocollybia butyracea) in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017Ulitsa Zhaka Dyuklo, 67, St Petersburg, Russia, 194214
Butter cap mushrooms (Rhodocollybia butyracea) in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017Ulitsa Zhaka Dyuklo, 67, St Petersburg, Russia, 194214
Group of butter cap mushrooms (Rhodocollybia butyracea) in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017Ulitsa Zhaka Dyuklo, 67, St Petersburg, Russia, 194214Observations of Rhodocollybia butyracea in Leningrad Oblast and north-western Russia show that the fungus grows in various locations near Saint Petersburg. It was found in areas such as Lisiy Nos, Kavgolovo Lake, Dibuny, Pavlovsk Park, and Sosnovka Park between August and November. The mushrooms were observed growing in groups and individually in forests, including spruce forests, and parks. Specific locations include New Sylvia and Old Sylvia in Pavlovsk Park, where the fungus was found on September 26 and November 1, 2016, respectively. Similar observations were made in Sosnovka Park on multiple dates in 2017, including August 21 and September 16. The fungus appears to thrive in these regions, with repeated sightings over several years.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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