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

Home
Up
About the Key
Glossary
Key 1
Key 2
Key 3
Key 4
Key 6
Key 7
Key 8
Key 9
Key 10

 

Key 5.4

Boletes

 

Is the fruiting body flesh and/or tubes staining blue?

Yes

Does it not stain blue; may stain brown, red, or dingy yellow?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are the tubes contorted; mouth closed; grows in the West? 

Yes

Are the tubes vertical; mouths open?....................

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Gastroboletus turbinatus

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are the tube mouths red to orange-red?

Yes

The tubes mouths are not red?.......  ...................

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. eastwoodie, satanus, or frostii

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the stalk reticulate, yellow, sometimes flushed red?

Yes

Is the stalk smooth? .............   ................................

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. calops
Var. frustosus

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the cap brown with cracks showing pink flesh?

Yes

Are the caps variously colored without cracks?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. chrysenteron

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Are the tube mouths bright yellow? ....................   .................   .............   .......................

Yes

Are the tube mouths white to greenish-yellow or gray; slowly bruising light blue to blue-green?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. bicolor

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Are the tube mouths white to gray; cap gray to buff?

Yes

Are the tube mouths light greenish-yellow?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. palladis

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the cap red-brown, viscid; grows in the East?

Yes

Is the cap red-brown, dry; grows in the West?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. badius

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. zelleri

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the stalk reticulate 1/3 its length of more?

Yes

Is the stalk with coarse hairs to smooth, but not reticulate?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

Is the stalk thin, nearly equal with deep shaggy to ornamental reticulation?

Yes

Is the stalk bulbous with shallow white reticulation? ...........   ..........  .................

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. russelli

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. edulis

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the growing on a puffball? .........  ......................

Yes

Is it growing other than on a puffball?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. parasiticus

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are the tube mouths red-brown; taste peppery?

Yes

Are the tube mouths another color? .......................

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. peperatus

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are the cap and stalk striking pink; chrome-yellow at base?

Yes

Is the cap brown, reddish-brown, or brown with white spots?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. chromapes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the stalk red-brown and wooly; grows in the West?

Yes

Is the cap brown and hairless; grows on the ground?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. mirabilis

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a B. affinis

 

Top

 

 

Please report any broken links to: cyberschroom@yahoo.com

Copyright©1998-2003 Edward J. Polasek
All Rights Reserved