Extract from Wikipedia article: Russula nigricans, commonly known as the blackening brittlegill or blackening russula, is a gilled mushroom found in woodland in Europe. It gains both its common and scientific name from its propensity to turn black from cutting or bruising. It is edible but of indifferent quality.
Blackening brittlegill mushrooms (Russula nigricans) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018 Saint Petersburg, Russia, 197755
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Search of mushroom species for given keywords "Russula nigricans" was done through
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