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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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Key 2.5

Lactarius

 

Is the fruiting body white; the fruiting body 1-1/2" - 5" broad; the latex white and remaining white?

Yes

Is the fruiting body colored; white or colored? ..............................       ............................

Yes      

 

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Are the gills crowded?...............      .......      .............

Yes

Are the gills distant, not forked, and the cap finely wooly?

Yes

 

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You have an L. piperatus

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the margin of cap without a cottony roll?

Yes

Does the margin of cap have a cottony roll?

Yes

 

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You have an L. vellereus

 

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You have an L. deceptivus

 

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Is the latex colored?  ..........       ...............   ......................    ..........    ......................

Yes

Is the latex white and unchanging or quickly changing to yellow, sometimes staining?

Yes

 

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Is the latex blue or does the flesh bruise to blue?

Yes

Is the latex orange, leaving green stains? ............

Yes

Is the latex red, leaving red stains? .........    ............

Yes

 

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You have an L. indigo

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

You have an L. deliciosus

 

Top

 

 

 

 

 

 

 

 

 

 

 

You have an L. sanguifluus

 

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Is the latex white, not staining gills or flesh?  ..................    .........    ..................

Yes

Is the latex white, but soon staining to rose, brown, or lilac, or quickly changing to yellow?

Yes

 

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Are the cap and stalk olive-brown; the stalk spotted?

Yes

Are the cap and stalk a color other than olive or green?

Yes

 

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You have an L. necator

 

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Is the cap moist to dry?

Yes

Is the cap viscid or matted hairy?

Yes

 

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Is the cap .03" - 1.2"and gray to pinkish gray? 

Yes

Is the cap larger and not gray to pinkish gray?

Yes

 

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You have an L. grisius

 

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Is the cap glabrous, zonate, orange with a smooth margin? ..................... .....     .....     .....     ........

Yes

Is the cap glabrous only in the center, yellow-buff, with densely matted hair at the margin?

Yes

Is the cap azonate, brown, never hairy?.....     .....     .....     ..........     .....     .....     .....     ..........

Yes

 

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You have an L. zonarius

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have an L. torminosus

 

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You have an L. affinis

 

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Copyrightę1998-2003 Edward J. Polasek
All Rights Reserved