Common names: rough-stalked Hebeloma, bitter poisonpie.
Russian name: Gebeloma gorchichnaya.
Extract from Wikipedia article: Hebeloma sinapizans, commonly known as the rough-stalked Hebeloma, is a species of mushroom in the family Hymenogastraceae. It has a strong radish-like smell, and a prominent bulbous stem base. It is larger than the similar and more common H. crustuliniforme, a relative that is also poisonous. H. sinapizans is found in Europe and North America.
Rough-stalked Hebeloma mushrooms (Hebeloma sinapizans)(?) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, August 22, 2016 Okruzhnaya al., Pavlovsk, g. Sankt-Peterburg, Russia, 196625
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Search of mushroom species for given keywords "Hebeloma sinapizans" was done through
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Selection of a particular species from the list of 4 species was performed automatically.