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29-12-2025 17:44

Isabelle Charissou

Bonjour,J'aimerais savoir si d'autres personnes au

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Blasco Rafael Blasco Rafael

Hola, me pueden ayudar con esta muestra.Recogida s

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Bernard CLESSE Bernard CLESSE

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12-11-2021 00:03

Lepista Zacarias

Hi everybody,A week ago in my fiels trip I noticed

29-12-2025 17:01

Gernot Friebes

Hi,I'm looking for help with this hyphomycete with

29-12-2025 08:30

Josep Torres Josep Torres

Hello.A tiny ascomycete sprouting under Juniperus

29-12-2025 10:15

Hulda Caroline Holte

Hello, I found and collected this propoloid ascom

29-12-2025 09:38

Oskari Virtanen

Hi,could anyone help me identify this, I suspect P

24-12-2025 18:12

Ethan Crenson

Hello all, A friend found this Orbilia growing on

28-12-2025 12:08

Margot en Geert Vullings

This possible Karstenia was found on the bark of d

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Black asco on thin branches?
Mirek Gryc, 28-02-2020 19:06
Hi

Found today along the forest road, on the branches of a cut bush.
As you have probably noticed, this group of mushrooms is not well known to me, so please help me identify.
Negative reaction to KOH.
spores:
(22.2) 22.9 - 30.3 (31) × (6.6) 6.8 - 7.9 (8) µm
Q = (3) 3.1 - 4.1 (4.2); N = 12
Me = 25.8 × 7.3 µm; Qe = 3.5


30.95 7.94
25.84 7.16
23.87 6.84
24.37 7.34
22.90 6.56
24.81 7.21
22.18 7.11
24.64 8.05
28.84 7.05
27.65 7.18
30.32 7.28
23.63 7.89


Mirek

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Chris Yeates, 28-02-2020 20:18
Chris Yeates
Re : Black asco on thin branches?
Hello Mirek

might the bush have been a Ribes? Your fungus looks rather like Dothiora ribesia. Compare with:



Best wishes

Chris
Mirek Gryc, 28-02-2020 20:49
Re : Black asco on thin branches?
Hi Chris
Your type seems very likely :)
I collected these mushrooms in a hurry, returning home, so there are no photos from the area. It was only at home that I noticed that it was something interesting.
The place where these mushrooms are found is close to my home, so I'll check everything later.
Thank you very much
Mirek