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13-02-2022 09:53

Mirek Gryc

Hello allDoes anyone help me identify this fungus?

11-02-2022 09:00

Dirk Gerstner

Hello all, I found this small yellow ascomycete o

07-02-2022 20:26

Mirek Gryc

HelloPyrthecia growing on the cut branches of the

02-02-2022 20:36

Jannes Boers

Hi all, Today I accidentally collected this speci

10-02-2022 16:46

Christine VALANCE

Bonjour,Trouvé sur branche coupée à terre. Il s

09-02-2022 13:44

Michel RIMBAUD

Bonjour,Je redécouvre dans mon ordinateur une gra

09-02-2022 20:26

Andgelo Mombert Andgelo Mombert

Bonsoir, Sur terre nue (!), près d'une souche de

06-02-2022 16:18

William Slosse William Slosse

Good afternoon everyone, Yesterday 05/02 I found

08-02-2022 22:45

Josep Torres Josep Torres

Hola.Un líquen fotografiado el pasado 25 de Enero

28-01-2022 20:59

Georges Greiff

Hi all, I found this tiny Hypocreales with mostly

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Black perithecia on the Fraxinus twig.
Mirek Gryc, 13-02-2022 09:53
Hello all
Does anyone help me identify this fungus?
Black Perithecia grew on the fraxinus twig without bark (diameter about 1.5 cm).
Spores: (16.7) 16.9 - 18.6 (19.1) × (6.9) 6.94 - 7.8 (8.2) µm.
In Lugol, changing the color on the greenish.
best
Mirek
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Andgelo Mombert, 13-02-2022 11:22
Andgelo Mombert
Re : Black perithecia on the Fraxinus twig.
Hello,
Lophiostoma compressum, i think.

Andgelo
Mirek Gryc, 13-02-2022 18:01
Re : Black perithecia on the Fraxinus twig.
Hi Andgelo
Indeed, you can be right, nothing else fits better to this species. Initially, I had fears and thought it was a different species because of the small spores.
Only when I read the description of this genre in the publication: "Multi-Locus Phyllogenetic Analysis of Lophostomatoid Fungi Motivates A Broad Concept of Lophostoma and Reveals Nine New Species", I come to the conclusion that the length of my spores is suitable for this species. According to the authors, this species has a very large range of spores. Although they think that you probably are a species complex
Thank you
Mirek