Grey knight mushrooms (Tricholoma terreum) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
Primorskoye sh., g. Sankt-Peterburg, RussiaSynonyms: Agaricus madreporius, Agaricus myomyces, Agaricus pullus, Agaricus terreus, Gymnopus myomyces, Tricholoma bisporigerum, Tricholoma myomyces.
Common name: grey knight.
Russian names: Ryadovka zemlisto-seraya, Myshata, Ryadovka zemlistaya, Ryadovka napochvennaya.
Extract from Wikipedia article: Tricholoma terreum, commonly known as the grey knight or dirty tricholoma, is a grey-capped mushroom of the large genus Tricholoma. It is found in coniferous woodlands in Europe, and has also been encountered under introduced pine trees in Australia. It is regarded as edible. In the in 2014, there was an article speculating that it may be poisonous , however this was highly contested by Sitta et al., who in the 2016, published in the same journal a counter article demonstrating the unfounded nature of such speculation [1].
Tricholoma terreum is a mycorrhizal fungus that fruits in summer to autumn, typically in coniferous and mixed forests. In St. Petersburg and Leningrad Oblast, it is commonly found under pine, spruce, and fir trees. In north-western Russia, it is widely distributed, particularly in the Karelian Isthmus and the Murmansk Oblast, where it grows in association with various tree species, including birch and aspen. The fungus produces medium-sized to large caps that are grey-brown to yellow-brown, often with a distinctive umbo, and white to pale yellow gills.
Grey knight mushrooms (Tricholoma terreum) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016Primorskoye sh., g. Sankt-Peterburg, Russia
Grey knight mushrooms (Tricholoma terreum) south-west from Dibuny - Pesochnyi, near Saint Petersburg. Russia, September 14, 2016Unnamed Road, Pesochnyy, g. Sankt-Peterburg, Russia
Grey knight mushrooms (Tricholoma terreum) near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016Primorskoye sh., g. Sankt-Peterburg, Russia
Grey knight mushrooms (Tricholoma terreum) on roadside near Dibuny, north-west from Saint Petersburg. Russia, July 15, 2017Unnamed Road, Sankt-Peterburg, Russia, 197758
Grey knight mushrooms (Tricholoma terreum) on sandy roadside in Petiayarvi, north from Saint Petersburg. Russia, September 17, 2017Shosseynaya Ulitsa, Petyayarvi, Leningradskaya oblast', Russia, 188732
Grey knight mushrooms (Tricholoma terreum) in area of Lisiy Nos - Olgino west from Saint Petersburg. Russia, September 21, 2017Primorskoye Shosse, Sankt-Peterburg, RussiaObservations of Tricholoma terreum in Leningrad Oblast and north-western Russia reveal that the fungus can be found in various locations near Saint Petersburg. Specifically, grey knight mushrooms were spotted near Lisiy Nos, south and west from the city, on September 3 and October 19, 2016, and again on September 21, 2017. They were also found south-west from Dibuny - Pesochnyi on September 14, 2016, and on a roadside near Dibuny on July 15, 2017. Additionally, the fungus was observed on sandy roadsides in Petiayarvi, north from Saint Petersburg, on September 17, 2017. These sightings suggest that Tricholoma terreum can thrive in different areas of Leningrad Oblast, including forests and roadside environments, during various times of the year, from July to October. The fungus appears to be relatively common in the region.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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