Tricholoma aestuans mushrooms in Orekhovo, north from Saint Petersburg. Russia, August 17, 2016
Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731Synonyms: Agaricus aestuans, Gyrophila aestuans.
Common name: acrid knight.
Russian name: Ryadovka znoynaya.
Extract from Wikipedia article: Tricholoma aestuans is a mushroom of the agaric genus Tricholoma. First described formally by Elias Magnus Fries in 1821, it was transferred to the genus Tricholoma by Claude Casimir Gillet in 1874.
Tricholoma aestuans is a species of fungus that grows in association with coniferous trees, particularly pine and spruce. In St. Petersburg and Leningrad Oblast, it typically fruits from July to October in moist, sandy soils and heathlands. The cap is 3-7 cm in diameter, convex to flat, and gray-brown to yellowish-brown with a powdery coating. The stem is 4-8 cm tall and 0.5-1.5 cm thick, cylindrical, and concolorous with the cap. In north-western Russia, T. aestuans is widely distributed in boreal forests, often forming mycorrhizal relationships with native tree species. It is considered a rare and endangered species in some regions due to habitat degradation and over-collection for food.
Tricholoma aestuans mushrooms in Orekhovo, north from Saint Petersburg. Russia, August 17, 2016Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Tricholoma aestuans mushrooms (bitter) near Dibuny, north-west from Saint Petersburg. Russia, August 18, 2016Unnamed Road, g. Sankt-Peterburg, Russia, 197758
Acrid knight mushrooms (Tricholoma aestuans)(?) west from Kavgolovskoe Lake near Toksovo, north from Saint Petersburg. Russia, September 15, 2017Novyy Pereulok, Kavgolovo, Leningradskaya oblast', Russia, 188667Observations of Tricholoma aestuans in Leningrad Oblast and north-western Russia reveal the fungus grows in various locations. In Orekhovo, mushrooms were found on August 17, 2016, while near Dibuny, they were discovered on August 18, 2016. The species was also spotted west of Kavgolovskoe Lake near Toksovo on September 15, 2017. These findings suggest Tricholoma aestuans can be found in the region during late summer to early fall. The mushrooms were described as bitter, consistent with the species' known characteristics. The observations span multiple years and locations, indicating a potentially widespread presence of Tricholoma aestuans in north-western Russia. Further study could help determine the full range and habits of this fungus in the region. The sightings provide valuable data for understanding the distribution and growth patterns of Tricholoma aestuans.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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