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

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Key 2.6.1

Tricholoma

 

Is the cap small (0.1 " - 0.6"), waxy; does it grow in moss or lichens on ground, or well decayed conifer wood?

Yes

Is the cap 2.5" - 4.5"; does it grow in cespitose clusters, usually on the ground near hardwood stumps?

Yes

Is the cap large (1" - 5")?  .........      ..............     ............     ................    >>>>>>>      .....     .........

Yes

 

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You have one of the Omphalinas

click to continue 

 

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Is the cap minute, orange; does it grow in tufts of moss?

Yes

Is the cap larger, straw-yellow to yellow-brown?

Yes

 

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You have an O. fibula

 

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Are the gills pale to light-yellow? .....     .....     ..........

Yes

Are the gills orange to orange-yellow; does it grow on conifer wood?

Yes

 

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You have an O. ericitorum

 

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Is the cap yellow-brown, tinted gray?

Yes

Is the cap orange?

Yes

 

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You have an O. chrysophylla

 

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You have an O. luteicolor

 

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You have an Omphalatus olearius

 

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Is the cap 0.8" - 4"?

Yes

Is the cap 4" - 8"?

Yes

 

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Are the cap, gills, and stalk not white throughout?

Yes

Are the cap, gills, and stalk white or nearly so?

Yes

 

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Is the cap light gray to chalky white in age; grow in cespitose clusters?

Yes

Is the cap not light gray or white and it does not grow in cespitose clusters?

Yes

 

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You have a C. delatata

 

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Is the odor mild; the cap not bluish green? ...........     

Yes

Is the odor strong and fragrant; the cap pale bluish-green?

Yes

 

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Is the cap violet to gray-violet; gills and stalk pale violet?

Yes

The cap is not violet? .....................     .................

Yes

 

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You have a C. nuda

 

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Are the gills close, forked, and bright orange to yellow-orange?

Yes

Are the gills white to buff?  .......       ........     .........

Yes

 

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You have a C. aurantiaca

 

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Is the stalk base forming a basal bulb; the cap convex depressed?

Yes

Is the stalk not forming a basal bulb; the cap deeply depressed?

Yes

 

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You have a C. clavipes

 

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You have a C. gibba

 

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You have a C. odora

 

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Is the cap gray to drab?

Yes

Is the cap dull white?

Yes

 

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You have a C. nebularis

 

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You have a C. robusta

 

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Copyright©1998-2003 Edward J. Polasek
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