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29-06-2016 15:18

Per Vetlesen

HiIt was found on the bark of a dead branch of Jun

07-01-2018 22:47

Per Vetlesen

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06-04-2026 15:04

David Chapados David Chapados

Hi! Could someone help me identifying this specim

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Robin Isaksson Robin Isaksson

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Lothar Krieglsteiner Lothar Krieglsteiner

some days ago, on the lower surface of leaf of Que

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Peruthecja immersed in Quercus wood
Perz Piotr, 04-02-2010 21:26
Dear all,

I'm looking for the name of a nice fungus.

Perithecja immersed in very rotten wood of Quercus (with a lot of Nematode), glabtrous.
Perithecjum (sub)globose to pyriform, 200-270um, + neck 90-130um, about 100um broad at the base and concolours with the rest of perithecjum - first light-colored, gray or a little yelowish, then when mature - dark brown, but this is because of gel on perithecjum surface. On the wood surface is visible only the neck.

Asci bitunicate, 8-spored, 200-250um, spores 1-seriate. IKI- with a high refractive apical aparatus (violet in CRB, disapear in KOH)

Ascospores hyaline, 5-septate (6-celled), 24-30 x 5,5-6,5, LC=3,5 with VBs (!).

Ostiole hyphae hyaline, with out VBS. Periphyses hanging near the neck-region and on upper part, inside of parithecjum with high refractive guttulate VBs. Paraphyses with out VBs, only with a few simple vakuoles. No subiculum.

  • message #10237
Perz Piotr, 04-02-2010 21:27
Re:Peruthecja immersed in Quercus wood
in-situ
  • message #10238
Perz Piotr, 04-02-2010 21:27
Re:Peruthecja immersed in Quercus wood
in-situ
  • message #10239
Perz Piotr, 04-02-2010 21:27
Re:Peruthecja immersed in Quercus wood
in-situ
  • message #10240
Perz Piotr, 04-02-2010 21:27
Re:Peruthecja immersed in Quercus wood
in-situ
  • message #10241
Perz Piotr, 04-02-2010 21:28
Re:Peruthecja immersed in Quercus wood
Perithecjum
  • message #10242
Perz Piotr, 04-02-2010 21:29
Re:Peruthecja immersed in Quercus wood
Periphyses with high refractive VBs
  • message #10243
Perz Piotr, 04-02-2010 21:29
Re:Peruthecja immersed in Quercus wood
Periphyses - VBs (CRB)
  • message #10244
Perz Piotr, 04-02-2010 21:29
Re:Peruthecja immersed in Quercus wood
Ostiole cells
  • message #10245
Perz Piotr, 04-02-2010 21:30
Re:Peruthecja immersed in Quercus wood
Ascospores H2O and CRB
  • message #10246
Perz Piotr, 04-02-2010 21:30
Re:Peruthecja immersed in Quercus wood
Apical aparatus H2O, IKI, CRB and KOH
  • message #10247
Perz Piotr, 04-02-2010 21:31
Re:Peruthecja immersed in Quercus wood
Paraphyses H2O and CRB
  • message #10248
Perz Piotr, 04-02-2010 21:31
Re:Peruthecja immersed in Quercus wood
Wall, side view
  • message #10249
Perz Piotr, 04-02-2010 21:32
Re:Peruthecja immersed in Quercus wood
wall - upper view
  • message #10250
Perz Piotr, 04-02-2010 21:32
Re:Peruthecja immersed in Quercus wood
That's all, folks :-)
Hans-Otto Baral, 04-02-2010 21:32
Hans-Otto Baral
Re:Peruthecja immersed in Quercus wood
Hi Piotr

let me see the spores, do they really contain VBs instead of LBs??
Zotto
Perz Piotr, 04-02-2010 21:36
Re:Peruthecja immersed in Quercus wood
Hi Zotto,

of course the spores contain LBs (LC=3,5), but additionaly with some VBs

Piotr
  • message #10253
Andrew N. Miller, 04-02-2010 22:44
Andrew N. Miller
Re:Peruthecja immersed in Quercus wood
Ascospore shape and large ascal ring would suggest this is a species of Ceratosphaeria.

Andy
Perz Piotr, 04-02-2010 23:12
Re:Peruthecja immersed in Quercus wood
Dear Andy,

thank you very much,

regards
Piotr