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Coprinus atramentarius.   Click a photo to enlarge it.   back to list

synonyms: Common Inkcap, Coprin noir d'encre, Grauer Faltentintling, Ráncos tintagomba, Tippler's Bane
Coprinus atramentarius 2 Mushroom
Ref No: 7560
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Coprinus atramentarius Mushroom
Ref No: 7561
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Coprinus atramentariusF Mushroom
Ref No: 7562
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location: North America, Europe
edibility: Poisonous/Suspect
fungus colour: White to cream
normal size: 5-15cm
cap type: Conical or nearly so
stem type: Ring on stem
spore colour: Purplish to black
habitat: Grows in woods, Grows on the ground, Grows on wood

Coprinus atramentarius (Bull. ex Fr.) Fr. Common Inkcap, Tippler's Bane, Coprin noir d'encre, Grauer Faltentintling, Fungo dell'inchiostro, Kale inktzwam, Ráncos tintagomba. Cap 3-7cm high, ovoid at first, then broadly conical when expanded, with the margin irregularly puckered at first, then becoming split; gray to gray-brown; dry, smooth or silky with minute scales or veil remnants, especially near the center. Gills free, crowded, broad; white then lavender-gray then inky black and soon deliquescing. Stem 70-170 x 9-20mm, hollow; whitish; dry, silky-fibrous; fibrous white partial veil leaving ring zone near base. Odor faint and pleasant or none. Spores ellipsoid, smooth, with pore at tip, 7-11 x 4-6µ. Deposit black. Habitat usually in clusters on the ground near rotting or buried wood or in grass. Found widely distributed throughout North America and Europe. Season May-September (November-April in California). Edible but dangerous because it causes alarming symptoms (nausea, palpitations) when taken in conjunction with alcohol; indeed, it has been given to alcoholics to cause these symptoms and eventually cure their habit. Comment Good black drawing ink used to be made from the deliquesced caps by boiling the black "ink" with a little water and cloves.

Members' images and comments

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philip johnston (United Kingdom) - 07 December 2012

Coprinus atramentariusF
Marjan Kustera (Yugoslavia) - 28 June 2012

Find and photo taken by Marjan Kuštera, SERBIA,Mushroom Society of Niš.
Coprinus atramentariusF
Marjan Kustera (Yugoslavia) - 29 May 2011

Find fungus and photo taken by Marjan Kuštera,Serbia,Niš.
Coprinus atramentariusF
Slobodan Nikolic (Yugoslavia) - 10 February 2011

Coprinus atramentariusF
MirosĊ‚aw Wantoch-Rekowski (Poland) - 29 October 2010

18/06/2006 Sopot Park Po³udniowy.Poland
Coprinus atramentariusF
Slobodan Nikolic (Yugoslavia) - 03 May 2010

Coprinus atramentariusF
Slobodan Nikolic (Yugoslavia) - 03 May 2010

Coprinus atramentariusF
Trevor Clayton (United States) - 24 December 2008

Olympic Peninsula, Washington
Coprinus atramentariusF
Lorand Bartho (Hungary) - 17 November 2008

Coprinus atramentariusF
Lorand Bartho (Hungary) - 16 November 2008

Alcohol (ethyl alcohol) is oxidised in two enzymatic steps in the mammalian body (mainly the liver). Acetaldehyde is formed first and then acetic acid. The second reaction is quicker, so only minute amounts of acetaldehyde are present in any point of time. Coprin (of the Common inkcap), the drug Antabuse and a few other compounds inhibit the second reaction, hence the plasma level of acetaldehyde increases. The syndrom caused is called Antabuse-reaction or acetaldehyde syndrom. It is not particularly dangerous (but unpleasant) to healthy people but may be more so for patients having, e.g., circulatory diseases.
Lorand Bartho (Hungary) - 16 November 2008

Coprinus atramentariusF
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