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12-01-2026 22:02

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Coccomyces sp. on fallen Rhododendron leavesPretty

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Mollisia adenostylis
Yatsiuk Iryna, 14-02-2013 22:44
Yatsiuk Iryna

Hello to all! 


Here is Mollisia/Pyrenopeziza on herbacious substrate, unfortunately I cannot say even the genus of the plant, but it is dicotyledonous.


KOH reaction negative. Hairs conspicuous, 30-40 um long, multicelled.  Asci 42-58*5,8-7,6 um, apical apparatus IKI BB. Spores with 0-2-3 small oil drops, 8.0-10.4*2,2-2,9 um, crociers absent.


With Gminder's key I've got M. adenostylis, what would you say?


With best wishes, Irina

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Hans-Otto Baral, 14-02-2013 22:52
Hans-Otto Baral
Re : Mollisia adenostylis
Hi Irina

I  would not expect here simple-septate asci . Are you sure?

The strongly conical ascus apex suggests a Pyrenopeziza. The absence of elongate VBs in the living paraphyses would support this, if you saw such.

Besides, I have problems to draw a line to the common Pyrenopeziza atrata, as which I might have identified your find.

Zotto