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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 9
Key 10

 

Key 7

Gastromycetes
(True Puffballs - continued)

 

Is it larger than a baseball, usually like a basketball?

Yes

Is it softball size or smaller? .......   .............................

Yes

 

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Is it usually 4" - 8", cracked to form irregular scales?

Yes

Is it very large - 8" - 10"? ..........   ....................

Yes

 

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You have a Calvatia lepidophora

 

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Is the pouter skin sculptured, cracked in large flat scales, dull white; grows in the West?

Yes

Is the outer skin nearly smooth? .........................   ......  ...............   .......................... ...............................

Yes

 

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You have a Calvatia booniana

 

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You have a Calvatia gigantea

 

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Is it grapefruit too softball size?

Yes

Is it usually not over 2.5" to 6"?

Yes

 

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Is the skin covered with nearly flat warts?

Yes

Is the skin nearly smooth, wrinkled to minutely cracked?

Yes

 

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You have a Scleroderma subsculpta

 

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You have a Calvatia cyathiformis

 

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Is the puffball golf ball size?

Yes

Is the puffball <1" in most cases?

Yes

 

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Is it round with paper thin skin, very light, easily detached and blown away?

Yes

Is it round to oval, not paper thin; remains attached?  ...................  ................................

Yes

 

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You have a Bovista pila

 

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Is it smoky-gray, smooth; odor disagreeable? .............................  .................................

Yes

Is it chalky-white, covered with small pointed gray-tipped warts: no odor?

Yes

 

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You have a Calvatia fumosa

 

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You have a Calvatia subcretacea

 

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Is it dull white; smooth outer wall persistent; pore formed in age?   ....................................  ..................  ..........................

Yes

Is it chalky white, covered with small pointed pure white warts; pieces of outer skin cracking and falling?

Yes

 

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You have a Lycoperdon pusillum

 

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You have a Lycoperdon candidum

 

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Copyrightę1998-2003 Edward J. Polasek
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