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04-07-2025 20:12

Josep Torres Josep Torres

Hello.A fungus growing on the surface of a trunk o

20-06-2025 08:33

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me mandan el material seco de Galicia (España) 

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Castillo Joseba Castillo Joseba

me mandas el material seco de Galicia (España) re

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Francois Guay Francois Guay

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Josep Torres Josep Torres

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Hello, bonjour.Here is the paper I'm searching for

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Pyreno, staining substrate turquoise
Andreas Millinger, 10-04-2025 21:52
Andreas MillingerBonsoir!

I'm new to the forum and would kindly ask for help with this species.


Found on soft deciduous wood near a small stream in austrian hills, 700 msm.
Fruitbody is of soft leathery consistency when wet.
Staining substrate turquoise.
Distinctive spores measure [26.2-29.7] x [9.4-10.8] Q = [2.5-2.9] N = 22
Breaking apart, when ripe.
Can I see a germ slit?
Added collages made by my daughter.


Thanks a lot in advance!


andreas

  • message #82207
  • message #82207
  • message #82207
Jacques Fournier, 11-04-2025 11:32
Jacques Fournier
Re : Pyreno, staining substrate turquoise
Hi Andreas, welcome to the forum.
For a first post, you strike hard!
I came across a similar fungus, also on the banks of a stream, on Robinia wood, which just differs from yours by thick slit-like ostioles and slightly smaller ascopores 18.5-22.5 x 8.5-10 µm with curved germ slits in each cell (photo attached), a gelatinous sheath and not breaking apart.
All I can say about it is that it is a Dothideomycete with bitunicate asci and ascospore morphology suggests affinities with Delitschia. I suppose it might be an undescribed genus because such a turquoise green stain of the substrate is much uncommon. Unfortunately the collection could not been cultured nor sequenced.
I wish you to go further than me!
Best,
Jacques

  • message #82213
Andreas Millinger, 11-04-2025 17:33
Andreas Millinger
Re : Pyreno, staining substrate turquoise
Hello Jacques,

thank you very much for your interesting comment!


Best regards from Austria,

Andreas