Wikipedia:Today's featured article/June 27, 2019

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Coprinellus micaceus

Coprinellus micaceus is a common species of fungus in the family Psathyrellaceae with a cosmopolitan distribution. The species typically grows in dense clusters on or near rotting hardwood tree stumps or underground tree roots. Depending on their stage of development, the tawny-brown mushroom caps may range in shape from oval to bell-shaped to convex, and reach diameters up to 3 cm (1.2 in). In young specimens, the cap surface is coated with a fine layer of reflective mica-like cells, inspiring the species name as well as the common names "mica cap", "shiny cap", and "glistening inky cap". A few hours after collection, the gills will start to dissolve into a black, inky, spore-laden liquid. The fruit bodies are edible before the gills blacken and dissolve, and cooking will stop the process. Chemical analysis of the fruit bodies has revealed the presence of antibacterial and enzyme-inhibiting compounds. (Full article...)