A user-friendly point-and-click key to the
 M
ushrooms of North America
(Copyright©1998-2003 Edward J. Polasek)

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2.9

Coprinus

 

Is the cap pure white?

Yes

Is the cap colored?

Yes

 

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Is the veil absent; fibrils on cap rub off revealing gray to black surface?

Yes

Is the veil present with faint hairy rig cap and the cuticles white?

Yes

 

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You have a C. narcoticus

 

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You have a C. niveus

 

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Is the cap .2" - .8" conic, striate to deeply striate? ...........     ............     ....................

Yes

Is the cap 1" - 3", 1.5" - 5" tall, conic, if striate or wrinkled just over margin?

Yes

 

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Does it grow singly to several on grass, dung, or humus?

Yes

Does it grow in great numbers on well decayed wood?

Yes

 

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Does it grow in the grass; gills free but attached by a collar?  ...........   ...................

Yes

Does it grow on dung or well-decayed humus; gills not attached to a collar?

Yes

 

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You have a C. plicatilis

 

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Is the cap yellow-brown with fine white hairs over center?

Yes

Is the cap yellow-brown without white hairs? .....................

Yes

 

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You have a C. radiatus

 

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You have a C. ephemerus

 

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You have a C. disseminatus

 

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Is the cap conic, gray-brown, scaly just over center; usually growing in grass? .................

Yes

Is the cap reddish-brown, covered over center with glistening particles?

Yes

Is the cap narrowly conical, white with light reddish-brown recurved scales? .................   .......................

Yes

 

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You have a C. artramentarius

 

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You have a C. micaceus

 

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You have a C. comatus

 

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