Observation 9915: Hypoxylon fragiforme (Pers.) J. Kickx f.
When: 2008-07-30
No herbarium specimen

Proposed Names

57% (1)
Used references: Lincoff 374 “Hypoxylon fragiforme”
91% (2)
Recognized by sight: Common on beech

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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I’d vote Daldinia, very young.
By: Daniel B. Wheeler (Tuberale)
2008-08-24 10:06:42 CEST (+0200)

If you knew for certain what species of tree the fungus was growing on, you narrow the possibilities a lot. H. fragiliforme on beech trees; H. argillaceum on ash; H. fuscum on alder and birch (according to Lincoff, p. 374). Hypoxylon in my experience has a “wet” appearance, even immediately after watering. Daldinia, unless extremely young (first 2 weeks of appearance) looks “dry” even after watering. At least it did on the Red alder logs I was trying to grow Lentinula edodes on.

Looks like…
By: Jason Hollinger (jason)
2008-08-24 08:48:38 CEST (+0200)

Looks a lot like something I saw in North Carolina, observation 6940. Darvin posted a link there to a good on-line treatment of this and related genera.

I’m not sure why you aren’t being allowed to enter names. The correct behavior should be: 1) enter “Hypoxylon fragiforme”, 2) since this name isn’t in our database it should respond with a message in a red box: “The name ‘Hypoxylon fragiforme’ was not recognized. Click ‘Create’ to create this name or edit the name below to correct any typo.”, 3) click Create again, and it should create the name and accept it. Let me know if it’s not doing this. Thanks.

Created: 2008-08-23 20:14:11 CEST (+0200)
Last modified: 2008-08-23 20:14:11 CEST (+0200)
Viewed: 45 times, last viewed: 2016-10-25 12:01:06 CEST (+0200)