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A user-friendly point-and-click key to the
 M
ushrooms of North America
(Copyrightę1998-2003 Edward J. Polasek)

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About the Key
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Key 1
Key 2
Key 3
Key 4
Key 5
Key 6
Key 7
Key 8
Key 9
Key 10

Key 2.6(1)

Tricholoma

 

Does it have a central stalk with a ring?

Yes

Does it have a central stalk without a ring?

Yes

 

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Cystoderma
go to
Key 2.6.9

 

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Does the fruiting body revive in water; stalk thin, long, pliable?

Yes

The fruiting body does not revive in water; stalk is thicker, fleshy and/or brittle?

Yes

 

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Is the cap smooth or felty?

Yes

Is the cap covered with long stiff hairs?

Yes

 

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Is the  stalk blackish-brown?

Yes

Is the stalk black to yellow-brown?

Yes

 

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Xeromphalina
go to
Key 2.6.4

 

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Marasimus
go to
Key 2.6.11

 

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Is it parasitic on mushrooms?..........Yes............No     

 

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Astrophoro
go to
Key 2.6.12

 

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Are the gills decurrent?

Yes

Are the gills adnate to adnexed?

Yes

 

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Clitocybe
go to
Key 2.6.1

 

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Crinipellis
go to
Key 2.6.
10

 

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Is the margin inrolled at first; the stalk brittle or pliant?

Yes

Is the stalk thicker, fleshy to pliant? .....     ..........

Yes

 

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Collybia
go to
Key 2.6.13

 

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Are the gills fleshy, pink to violet? .......      ..........

Yes

It does not have fleshy gills; usually not pink or violet?

Yes

 

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Laccaria
go to
Key 2.6.14

 

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Do the gills stain blackish-brown; stalk water-soaked and often tan?

Yes

There is no staining of the gills? .......       ...........    

Yes

 

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Lyophyllum
go to
Key 2.6.15

 

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Is the cap 2.5" - 18" and the surface of the gills and stalk appear chalky white?

Yes

Is the cap smaller and the gills and stalk not chalky white?

Yes

 

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Leucopaxillus
go to
Key 2.6.16

 

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Is the stalk thin and tall for the size of the cap; caps convex, unbonate; gills adnexed?

Yes

Is the stalk thick, fleshy, robust; gills convex or convex dressed; gills adnate to adnexed?

Yes

 

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Melanoleuca
go to
Key 2.6.17

 

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Tricholoma
go to
Key 2.6.18

 

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Copyrightę1998-2003 Edward J. Polasek
All Rights Reserved