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

Coprinus quadrifidus Mushroom
Ref No: 7592
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location: North America
edibility: Poisonous/Suspect
fungus colour: White to cream, Grey to beige
normal size: 5-15cm
cap type: Conical or nearly so
stem type: Ring on stem
flesh: Flesh granular or brittle
spore colour: Purplish to black
habitat: Grows on wood

Coprinus quadrifidus Pk. Cap 2-7cm across at base, 4-7cm high, egg-shaped expanding to bell-shaped; whitish at first from veil remnants, then becoming dingy buff to gray or grayish brown; felty at first, breaking up into loose cottony-flaky patches or warts. Gills free, crowded, broad; white becoming purplish, then blackish or inky. Stem 40-120 x 5-l0mm, hollow; white with brownish rhizomorphs connected to the base; felty, scaly; white partial veil leaving evanescent ring. Taste unpleasant. Spores ellipsoid, smooth, with pore at tip, 7.5-10 x 4-5µ. Deposit blackish. Habitat growing in large clusters on hardwoods, especially elm and ash. Found in northeastern North America west to the Great Lakes. Season June-August. Edibility suspect-may cause stomach upset in some people.

Members' images and comments

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Zoran Tasovac (Canada) - 05 June 2015

Found near Ancaster ON on June 2nd.
Coprinus quadrifidus
Sharon Norris (United States) - 19 June 2013

Found in Whitehall Ohio
Coprinus quadrifidus
Andrew Block (United States) - 17 November 2012

On mulch next to oak stump along Central Park West just south of the American Museum of Natural History, Manhattan, N.Y., taken September 8, 2012.
Coprinus quadrifidus
Andrew Block (United States) - 17 November 2012

On mulch next to oak stump along Central Park West just south of the American Museum of Natural History, Manhattan, N.Y., taken September 8, 2012.
Coprinus quadrifidus
Andrew Block (United States) - 17 November 2012

On mulch next to oak stump along Central Park West just south of the American Museum of Natural History, Manhattan, N.Y., taken September 8, 2012.
Coprinus quadrifidus
elizabeth suits (United States) - 31 May 2010

another nice image to share
Coprinus quadrifidus
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