Psathyrella obtusata is a small to medium-sized agaric fungus with a bell-shaped to convex cap, typically 1-4 cm in diameter, and a slender stem. It has a brown to greyish-brown cap with a distinctive umbo, and gills that are crowded and narrowly attached. In St. Petersburg, Leningrad Oblast, and north-western Russia, Psathyrella obtusata is commonly found growing on rich soil, often in moist areas such as forests, fields, and along roadsides, typically from late summer to early autumn. It is a relatively common species in the region, fruiting singly or in small groups.
Brittlestem mushrooms Psathyrella obtusata on roadside in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017 Unnamed Road, Sankt-Peterburg, Russia, 197758
Caps of brittlestem mushrooms Psathyrella obtusata on roadside in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017 Unnamed Road, Sankt-Peterburg, Russia, 197758
Close up of brittlestem mushrooms Psathyrella obtusata in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017 Unnamed Road, Sankt-Peterburg, Russia, 197758
Brittlestem mushrooms Psathyrella obtusata(?) on roadside near Kavgolovskoe Lake in Toksovo, suburb of Saint Petersburg. Russia, June 10, 2017 Dachnaya ul., 17А, Toksovo, Leningradskaya oblast', Russia, 188664
Mushrooms Psathyrella obtusata near Dibuny, north-west from Saint Petersburg, Russia, June 14, 2017 Unnamed Road, Sankt-Peterburg, Russia, 197758
Caps of ushrooms Psathyrella obtusata near Dibuny, north-west from Saint Petersburg, Russia, June 14, 2017 Unnamed Road, Sankt-Peterburg, Russia, 197758
Small brittlestem mushrooms (Psathyrella obtusata)(?) near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017 Novyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Brittlestem mushrooms (Psathyrella obtusata)(?) on roadside near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017 Novyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Brittlestem mushrooms (Psathyrella obtusata)(?) near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017 Novyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Brittlestem mushrooms (Psathyrella obtusata)(?) near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017 Unnamed Road, Leningradskaya oblast', Russia, 188664
Brittlestem mushrooms (Psathyrella obtusata)(?) on roadside near Kavgolovskoe Lake, between Oselki and Toksovo, north from Saint Petersburg. Russia, June 28, 2017 Dachnaya ul., Leningradskaya oblast', Russia, 188664
Brittlestem mushrooms Psathyrella obtusata(?) taken from roadside near Dibuny, north-west from Saint Petersburg. Russia, July 15, 2017
AI-generated summary of observations
In Leningrad Oblast and north-western Russia, observations of the fungus Psathyrella obtusata were made in various locations. The brittlestem mushrooms were found on roadsides, particularly in areas near Saint Petersburg, such as Dibuny - Pesochny and Toksovo. They were also spotted near Kavgolovskoe Lake. The mushrooms were observed growing in small groups, with caps of varying sizes. Observations took place from June 3 to July 15, 2017, suggesting a summer growth period for the species in this region. The mushrooms were often found on roadsides, indicating a possible preference for disturbed or nutrient-rich soil. Multiple sightings near Kavgolovskoe Lake suggest a potential abundance of the species in this area.
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Search of mushroom species for given keywords "Psathyrella obtusata" was done through
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