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01-06-2025 09:37

Charles Aron Charles Aron

Hi All, I found this Octospora growing with liver

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I found this pyrenomycetous fungi in pine forest o

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me mandan el material seco de Galicia (España) 

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Dothideomycete on Pinus
Stefan Blaser, 30-11-2019 08:06
Dear all,

I need help with this one:


Substrate: On a decorticated branch of Pinus


Macro : Ascomata unilocular, about 0.5 mm in diameter, black, smooth, with a simple pore opening at the top. Substrate around ascomata bleached white. Hymenium in loculi pinkish-transparent.


Micro : Asci 125-145 x 17-21.5 µm, bitunicate. Pseudoaraphyses cylindrical, about 2-2.5 µm, simple or with short side branches. Spores constantly four-celled, slightly constricted at the septa, nearly hyaline (mature spores may be seen as very slightly colored), 26.5-32 x 8.5-12 µm.


Thanks a lot for any suggestions,


Stefan

  • message #60268
  • message #60268
  • message #60268
  • message #60268
  • message #60268
  • message #60268
  • message #60268
Hermann Voglmayr, 30-11-2019 10:07
Hermann Voglmayr
Re : Dothideomycete on Pinus
Dear Stefan,
Check for Exarmidium.
Best, Hermann