Observation 134307: Xylaria Hill ex Schrank
When: 2013-05-22

Notes: On heavily decayed hardwood trunk submersed in stagnant rainwater. Beneath Acer. Mushrooms were about 4 cm tall.

Proposed Names

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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email
By: Danny Newman (myxomop)
2014-06-09 17:03:37 PDT (-0700)

I did. did you receive my reply or hear back from Roo?

Yes
By: Rocky Houghtby
2014-06-09 16:22:54 PDT (-0700)

And perhaps more important for this group( if I understand correctly), germ slit length. I did not yet attempt to section the darker, misshapen portions of this collection; maybe I can still find some sexual structures.

There are a lot of records of longiana in our database, as well as specimens labeled as such in the herbarium. Did you relieve the email I sent you on the topic of Xylaria?

Update
By: Danny Newman (myxomop)
2014-06-09 15:46:37 PDT (-0700)

Some quality time with a xylariologist has informed me that species level identifications are largely dependent on ascoscpore and ascus tip size and morphology. therefore an ID is likely out of reach with this material until or unless more mature FBs are collected.

conidia
By: Rocky Houghtby
2014-06-08 20:15:36 PDT (-0700)

are 8.3 X 3.5. No ascospores observed.

conidia
By: Rocky Houghtby
2014-06-08 20:15:33 PDT (-0700)

are 8.3 X 3.5. No ascospores observed.

Beechmast
By: Rocky Houghtby
2013-07-29 14:49:02 PDT (-0700)

Never heard the term, thanks! There are beech, gum and sycamore in that park. I honestly don’t know what the substrate was here and I think that will prohibit this observation from ever getting to species. I’ll scope it someday.

correct
By: Danny Newman (myxomop)
2013-07-29 14:35:50 PDT (-0700)

though I think it’s actually ‘beechmast’ for both singular and plural (see: http://en.wikipedia.org/wiki/Beech)

Microscopy may help. The conidial phase, if I’m not mistaken, always precedes the sexual phase. If these were collected at the same stage of development as is shown in the photo, they may be too immature to observe ascospores, but it never hurts to check.

Nuts-
By: Hamilton (ham)
2013-07-29 14:25:12 PDT (-0700)

Danny means beech nuts, I think.

Beech
By: Rocky Houghtby
2013-07-29 13:45:38 PDT (-0700)

Litter may have been present. I’m not sure what you mean by a mast? Xylaria is definitely the appropriate name for this obs. I dried these… I wonder if microscopy on this specimen alone will get me to species. If I understand correctly, most Xylaria have different microscopic features across their different sexual states?

By: Danny Newman (myxomop)
2013-07-29 13:40:09 PDT (-0700)

is restricted to beech masts.

Created: 2013-05-22 19:48:18 PDT (-0700)
Last modified: 2014-06-08 20:11:02 PDT (-0700)
Viewed: 111 times, last viewed: 2016-09-12 12:11:58 PDT (-0700)
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