Coprinus comatus is a well-known and relatively easily recognized mushroom with gills that “deliquesce” or turn into a black “ink” with age. Found growing alone, scattered, in lines, or in clusters or fairy rings. Saprobic. Pileus 5-14 cm long, 3-5 cm wide; oval to cylindrical when young, becoming broadly conic (5-8 cm) to nearly plane with age. White to whitish with a brownish central disc at apex. Large shaggy scales. Flesh thin; white; soft; fibrous. Gills free; very crowded; very narrow; white, becoming pinkish and eventually black, then turning into a black “ink” from the margin upward. Stipe 5-20 cm long; 1-2 cm thick; smooth; white; hollow; slightly bulbose base.
Basidiospores 9-13 × 7-9 micrometers in size; ellipitcal; smooth with an apical pore. Spore print black.
Common names include: Shaggy Mane, Lawyer’s Wig, or Inky Cap.
See also Tom Volk’s page on Coprinus comatus
Created: 2007-01-09 23:03:54 CST (-0600) by Nathan Wilson (nathan)
Last modified: 2020-02-19 19:37:25 CST (-0600) by Joseph D. Cohen (Joe Cohen)
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