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25-03-2023 14:42

Edvin Johannesen Edvin Johannesen

I have received this dried specimen for microscopy

29-03-2023 13:05

Georges Greiff

Bonsoir,I would like to please request the followi

28-03-2023 19:16

Enrique Rubio Enrique Rubio

J'aimerais connaître la revision de Van Vooren su

28-03-2023 01:34

Stefan Jakobsson

On wood of a still fairly hard trunk of spruce I f

28-03-2023 11:04

Margot en Geert Vullings

Found this Lichenoptella (Trichothyrina) on Juncus

27-03-2023 00:36

Juuso Äikäs

A finding from last fall: a plentiful amount of lo

17-11-2014 15:55

Salvador Tello

Hola a todos.Tengo este hongo que he cogido crecie

24-03-2023 16:08

Bernard Declercq Bernard Declercq

Hello,A friend of mine collected galls with pynidi

24-03-2023 12:53

Riet van Oosten Riet van Oosten

Hello, Saw this strange ascus Schizoxylon composi

25-03-2023 09:04

Bernard Declercq Bernard Declercq

Hello,I am looking for following paper:Motohashi K

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Pyrenopeziza on Salix
Juuso Äikäs, 28-01-2023 12:27
These were growing on a piece of thick Salix caprea bark attached to a dead(?), standing tree.

Macroscopically these looked quite fresh, but under the microscope most of the asci looked deformed - swollen, and many spores seemed to be germinating.

Asci 8-spored, with croziers, IKI negative. Paraphyses narrowly cylindrical, without VBs. The spores measure 7.5 - 10.6 × 3.2 - 3.9 µm.

Any hope getting to species level?
  • message #75019
  • message #75019
Hans-Otto Baral, 28-01-2023 22:32
Hans-Otto Baral
Re : Pyrenopeziza on Salix
Strange! Reminds me of P. viridula but the spores are too broad and the LBs too small. I made a new folder.