Russula adusta

Species of fungus

Russula adusta, commonly known as the blackening brittlegill or blackening russula, is a species of gilled mushroom. It is found in woodlands of Europe and North America. Russula adusta is a member of the Russula subgenus Compactae. The cap is brown to gray and somewhat shiny, with a mild taste and, reportedly, an odor of empty wine barrels. It has a propensity to turn black from cutting or bruising and has white spores. It can be found growing with conifers. Similar species include Russula albonigra and R. densifolia.

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