Verdigris agaric mushrooms (Stropharia aeruginosa) in Sosnovka Park, near Svetlanovsky Prospekt. Saint Petersburg, Russia, September 15, 2013
Svetlanovskiy pr., 51, Sankt-Peterburg, Russia, 194064Synonyms: Agaricus aeruginosus, Geophila aeruginosa, Pratella aeruginosa, Psalliota aeruginosa, Psilocybe aeruginosa, Stropharia alpina.
Common name: verdigris roundhead.
Russian names: Strofariya sine-zelenaya, Psilotsibe Aeruginosa, Troyshling yar-medyankovyy.
Extract from Wikipedia article: Stropharia aeruginosa, commonly known as the verdigris agaric, is a medium-sized green, slimy woodland mushroom, found on lawns, mulch and woodland from spring to autumn. The edibility of this mushroom is controversial - some sources claim that it is edible, while others claim it to be poisonous, although effects are little known and its toxic constituents undescribed.
Stropharia aeruginosa is a species of mushroom that grows in fields, meadows, and woodland edges. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically fruits from July to October, preferring moist, fertile soils with rich organic matter. The cap is 3-8 cm in diameter, initially bell-shaped then expanding to convex or flat, with a greenish-blue to blue-green color and often covered with remnants of the universal veil. The gills are crowded, pale yellow to yellowish-brown, and the stem is 4-10 cm tall, 0.5-1.5 cm thick, and has a ring that is often fugacious. It is considered edible but not highly prized.
Verdigris agaric mushrooms (Stropharia aeruginosa) in Sosnovka Park, near Svetlanovsky Prospekt. Saint Petersburg, Russia, September 15, 2013Svetlanovskiy pr., 51, Sankt-Peterburg, Russia, 194064
Verdigris agaric mushrooms (Stropharia aeruginosa) near Dibuny, west from Saint Petersburg. Russia, September 7, 2016Zapadniy Skorostnoy Diameter, g. Sankt-Peterburg, Russia, 197758
Verdigris agaric mushrooms (Stropharia aeruginosa) 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
Verdigris agaric mushrooms (Stropharia aeruginosa) near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016Primorskoye sh., g. Sankt-Peterburg, Russia, 197755
Verdigris roundhead mushroom (Stropharia aeruginosa) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 26, 2017Polyanskaya Doroga, Sankt-Peterburg, Russia, 197755
Verdigris roundhead mushrooms (Stropharia aeruginosa) in Posiolok near Vyritsa, 50 miles south from Saint Petersburg. Russia, September 29, 2017Unnamed Road, Vyritsa, Leningradskaya oblast', Russia, 188381Observations of Stropharia aeruginosa in Leningrad Oblast and north-western Russia have been recorded on multiple occasions. In Sosnovka Park, the fungus was found on September 15, 2013. Near Dibuny, it was spotted on September 7, 2016. The mushrooms were also observed in Pavlovsk Park on September 26, 2016, and near Lisiy Nos on October 19, 2016. Further sightings occurred in Blizhnie Dubki area near Lisiy Nos on September 26, 2017, and in Posiolok near Vyritsa on September 29, 2017. These observations suggest that Stropharia aeruginosa is present in various locations throughout the region, with a notable presence in areas around Saint Petersburg. The fungus appears to thrive in the local environment, with repeated sightings over several years. The observations were made during the late summer and early fall months.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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