Spring brittlestem mushrooms (Psathyrella spadiceogrisea) in a ditch on Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017
alleya Krasnogo Solntsa, Pavlovsk, Sankt-Peterburg, Russia, 196625Synonyms: Agaricus pallescens, Agaricus spadiceogriseus, Drosophila exalbicans, Drosophila spadiceogrisea, Drosophila vernalis, Pilosace spadiceogriseus, Pratella spadiceogrisea, Psathyra obtusata, Psathyra spadiceogrisea, Psathyrella exalbicans, Psathyrella fatua, Psathyrella groegeri, Psathyrella obtusata, Psathyrella subnuda, Psathyrella vernalis, Psilocybe spadiceogrisea.
Common name: spring brittlestem.
Russian name: Psatirella sero-buraya.
Psathyrella spadiceogrisea is a species of fungus that belongs to the family Psathyrellaceae. It has a brownish-gray cap with a diameter of 1-4 cm and a slender stem. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows in groups on rich soil, decaying wood, or dung, often in wooded areas, parks, and gardens. Fruiting bodies appear from June to October, with peak abundance in July and August. The fungus is considered widespread but not abundant in the region.
Spring brittlestem mushrooms (Psathyrella spadiceogrisea) in a ditch on Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017alleya Krasnogo Solntsa, Pavlovsk, Sankt-Peterburg, Russia, 196625
Spring brittlestem mushrooms (Psathyrella spadiceogrisea) on Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017alleya Krasnogo Solntsa, Pavlovsk, Sankt-Peterburg, Russia, 196625
Close up of spring brittlestem mushroom (Psathyrella spadiceogrisea) on Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017alleya Krasnogo Solntsa, Pavlovsk, Sankt-Peterburg, Russia, 196625
Dissected spring brittlestem mushroom (Psathyrella spadiceogrisea) on Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017alleya Krasnogo Solntsa, Pavlovsk, Sankt-Peterburg, Russia, 196625
Spring brittlestem mushrooms (Psathyrella spadiceogrisea) in Sablino, south from Saint Petersburg. Russia, May 25, 2017Река Саблинка, Ульяновское, Leningrad 187010, Russia
Spring brittlestem mushrooms (Psathyrella spadiceogrisea)(?) at Road 41K-064 south from Mys Moryin Nos, east from Saint Petersburg. Russia, May 26, 2017Unnamed Road, Morye, Leningradskaya oblast', Russia, 188675
Early spring brittlestem mushrooms Psathyrella spadiceogrisea in Sosnovka Park. Saint Petersburg, Russia, May 27, 2017Unnamed Road, Sankt-Peterburg, Russia
Spring brittlestem mushrooms Psathyrella spadiceogrisea from Sosnovka Park. Saint Petersburg, Russia, May 27, 2017
Spring brittlestem mushrooms (Psathyrella spadiceogrisea) south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019Unnamed Road, Mor'ye, Leningradskaya oblast', Russia, 188675
Spring brittlestem mushrooms (Psathyrella spadiceogrisea) at Road 41K-064 south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019Unnamed Road, Mor'ye, Leningradskaya oblast', Russia, 188675
Spring brittlestem mushrooms (Psathyrella spadiceogrisea) near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019Leninskaya Tropa, Sankt-Peterburg, Russia, 197758
Spring brittlestem mushrooms (Psathyrella spadiceogrisea) on roadside near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019Leninskaya Tropa, Sankt-Peterburg, Russia, 197758
Spring brittlestem mushrooms (Psathyrella spadiceogrisea) on wood chips near Tarkhovka train stop, west from Saint Petersburg. Russia, May 10, 2021Tarkhovka, Sankt-Peterburg, Russia, 197701
Underside of spring brittlestem mushrooms (Psathyrella spadiceogrisea) on wood chips from cut bushes near Tarkhovka train stop, west from Saint Petersburg. Russia, May 10, 2021Tarkhovka, Sankt-Peterburg, Russia, 197701
Spring brittlestem mushrooms (Psathyrella spadiceogrisea) on remains of cut bushes and small trees near Tarkhovka train stop, west from Saint Petersburg. Russia, May 10, 2021Tarkhovka, Sankt-Peterburg, Russia, 197701Observations of Psathyrella spadiceogrisea in Leningrad Oblast and north-western Russia reveal that the fungus grows in various locations, including ditches, alleys, parks, and roadsides. The mushrooms were found in Pavlovsk Park, Sablino, Sosnovka Park, and near Ladoga Lake, often on wood chips or cut bushes. They typically appear in late May, with observations recorded from May 14 to May 27. The fungus was also spotted near train stops, such as Tarkhovka, and along trails like Lenin Trail. In some cases, the mushrooms were dissected for closer examination. The observations suggest that Psathyrella spadiceogrisea is widespread in the region and can thrive in a range of environments. Multiple sightings were recorded over several years, from 2017 to 2021, indicating a consistent presence of the fungus in the area.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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