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17-01-2026 19:35

Arnold Büschlen

Hallo, ich suche zu Cosmospora aurantiicola Lite

15-01-2026 15:55

Lothar Krieglsteiner Lothar Krieglsteiner

this one is especially interesting for me because

16-01-2026 00:45

Ethan Crenson

Hi all, On decorticated hardwood from a New York

18-01-2026 12:24

Josep Torres Josep Torres

Hello.An anamorph located on the surface of a thin

17-01-2026 10:41

Blasco Rafael Blasco Rafael

Hola, he descubierto que he creado una Pulvinula t

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

16-01-2026 11:20

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia (España) 

10-01-2026 20:00

Tom Schrier

Hi all,We found picnidia on Protoparmeliopsis mur

13-01-2026 07:28

Danny Newman Danny Newman

Chlorociboria glauca on indet. decorticate logThe

15-01-2026 10:35

Johan Boonefaes Johan Boonefaes

Last week I found this fungus, possibly a hyphomyc

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Mollisia lividofusca ?
Thierry Blondelle, 11-02-2024 17:40
Thierry BlondelleHi

I would like to have your opinion on this harvest of Mollisia on fir branch peeled in a humid environment

Floriform apothecia up to 3 mm, gray in color but whitish discolored.

Subiculum++

Spores 8-12 x 2.5-3

Asci 44-51

IKI bb
KOH-
OIC 0 to 1

Clavicated marginal cells

Subhymenium rather dark in color

I turned to M. lividofusca.
What do you think ?
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Ingo Wagner, 11-02-2024 18:33
Ingo Wagner
Re : Mollisia lividofusca ?
Hello Thierry!

You found it on dead wood in airspace, is this right?
Your thought with M. lividofusca is very likely.

Macroscopically, the brown exterior of young apos up to the edge (margo) fits well, and also the brownish color of the fruit layer when it dries.
In the lower part of the ascus you can also see the longer, curved spores.
However, viewed microscopically, the find is in bad condition.

You can try a cross section, this species sometimes has a brown subhymenium in this state.
https://asco-sonneberg.de/pages/gallery/subhym-dunkel-bei-lividofusca39765.php

Greetings
Ingo W

Thierry Blondelle, 12-02-2024 17:55
Thierry Blondelle
Re : Mollisia lividofusca ?
Thanks a lot Ingo for your appreciation
it was found on the side of the branch facing the ground
My cross section is not really ideal for observation.
I'll try a better one.
Are the longer and curved spores at the base of the ascus specific to lividofusca?

Thierry
Ingo Wagner, 12-02-2024 20:23
Ingo Wagner
Re : Mollisia lividofusca ?
Hello Thierry!

"It was found on the side of the branch facing the ground."
And the branch touched the ground, where the apos grew?

"Are the longer and curved spores at the base of the ascus specific to lividofusca?"
I missed them in your spore picture AND there are species whose spores are more uniformly straight.

"My cross section is not really ideal for observation"
You can pick out a piece of the fruit layer. Normally the subhymenium is attached to it. Best seen at about 100x magnification.
If you don't see this, it doesn't matter. I often don't recognize the darkness of subhymenium in Mollisia lividofusca.

Greetings
Ingo