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 5
Key 6
Key 7
Key 8
Key 10

 

Key 9

 

Ascomycetes
(True morels, false morels, cup fungi, earth tongues)

Earth Tongues and other Ascomycetes

 

Is the fruiting body with a stalk and head? .................... ............   ......................

Yes

Is the fruiting body without a stalk?  .........  ..............................   ..................

Yes

Is it parasitic on Russula and Lactarius, forming a club-shaped mass?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the cup on a thin stalk; very small?

Yes

Is the head variously shaped, but not cup-shaped?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the fruiting body flattened at top; yellow overall?

Yes

If it is not flattened, is it another color other than yellow?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Sclrotinia tuberosa

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Mitrula irregularius

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the head spatulate; stalk enlarged toward base?

Yes

Is the head round, depressed or cylindric, sometimes branched?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Spathularia clavata

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the head oval, wrinkled, yellow-green; stalk greenish and viscid?

Yes

The head is not a described on the left; not green? .........................   ...........................

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Leota lubrica

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the fruiting body branched?

Yes

Is the fruiting body not branched?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Does it grow on wood; black, irregular finger-like clubs?

Yes

Does it grow on the ground; not finger-like?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

You have a Xylosphaera polymorpha

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is it in several fused columns, erect?

Yes

Is it in spreading ear-like branched from a common stalk?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have an Underwoodia columnarius

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Wynnea americana

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Does it grow on sticks in mountain streams; small head; brown stalk?

Yes

Does it grow as small reddish clubs on insects?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

You have a Vibrissia truncorum

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Cordyceps militaris

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Does it form a hard, spindle-shaped black growth around branches of cherry trees?

Yes

It is not as described on the left and does not grow on cherry trees? ................................

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have an Apiosporina morbosa

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is it hard; dingy maroon to black; rounded growth on hardwood; concentric rings when cut in two?

Yes

Is it brittle on the ground or tough and jelly-like on buried wood? ......................

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Daldina concentrica

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is it flat, blackish-brown, a crust-like growth on needles and duff?

Yes

Is it cup-shaped, black, tough, jelly-like; on buried wood on the ground?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Rhizinia undulata

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

You have a Sarcosoma globosa

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

Is it orange?

Yes

Is it green?

Yes

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Hypomyces lactifluorum

 

Top

 

 

 

 

 

 

 

 

 

 

 

 

 

You have a Hypomyces luteovirens

 

Top

 

 

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

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