The blackening russule begins as a stout, creamy white mushroom with a coffee-coloured flush to the depressed center of its cap.
|Young blackening russule - Russula nigricans|
This mushroom's gills are very distinctive: exceptionally thick and widely spaced. To me, they look rather like sliced almonds and have the same brittle texture.
|blackening russule - Russula nigricans - gills.|
As they age, they shrivel and turn black...
|Mature blackening russule - Russula nigricans|
Persisting as cryptic black lumps on the forest floor after the season ends.
|Blackening russule - Russula nigricans - old, detatched fruiting body. This one is still recognisably a mushroom, but will disintegrate into charcoal-like lumps over time.|