Nectriaceae? - Forum ASCOFrance

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Nectriaceae?

Mirek Gryc, 20-11-2020 18:41

The fruiting bodies grew on a piece of twig lying on a pile of brushwood. It is very likely that this fragment belonged to Prunus padus.
I checked a few fruiting bodies, all of them were accompanied by large, dark spores, so I also present a photo of them. I don't know if they are related to this mushroom?
Any suggestions at least as to the type?
Mirek

Thomas Læssøe, 21-11-2020 19:55

Re : Nectriaceae?

What is sitting under the cluster of orange perithecia? (maybe the producer of the dark spores)

Mirek Gryc, 21-11-2020 20:28

Re : Nectriaceae?

Hi Thomas,
Your hint was priceless.
Because unfortunately I don't know this group of mushrooms, so I won't come up with anything specific myself. I'm counting on your help.
Thank you Thomas
Mirek

Peter Püwert, 21-11-2020 22:28

Re : Nectriaceae?

Hello,

Flammocladiella/ Nectria decora, parasitic on Aglaospora, Massaria ?

Peter.

Mirek Gryc, 22-11-2020 07:44

Re : Nectriaceae?

Thank you both for help with identification.
When I have free time, I will try to work on this collection. Maybe I can capture more details and take measurements.
Thank you once again for making a successful attempt at identification despite such poor documentation.
best regards
Mirek

Alain GARDIENNET, 22-11-2020 09:45

Re : Nectriaceae?

Hi,

First of all, you have to check if the immersed one is Massaria conspurcata.

Then, indeed, you have to compare the orange one to Flammocladiella decora.

It has been already recorded on Massaria conspurcata. Please, measure ascomata diameter.

Alain

Mirek Gryc, 22-11-2020 18:15

Re : Nectriaceae?

Hi Alain
I think your suggestion makes very sense :)
When it comes to Massaria, you are probably right, but I prefer others to judge it.
- substrate is suitable - Prunus padus
- 4-spore ascus
- example dimensions are given in the pictures
- Flammocladiella spores clearly rough (feature poorly visible in the photos).
What is your opinion?
Mirek

Mirek Gryc, 22-11-2020 19:40

Re : Nectriaceae?

I don't know if Flammocladiella has a big influence on the development of the host but the spores look a bit unnatural. That is why I present photos of healthy fruiting bodies, growing right next to them on a thinner branch.

Alain GARDIENNET, 22-11-2020 22:13

Re : Nectriaceae?

Good job, we can recognize both fungi.

Alain

Mirek Gryc, 23-11-2020 08:07

Re : Nectriaceae?

Hi
Once again, thank you all for help with identification!
best regards
Mirek

Andgelo Mombert, 23-11-2020 15:10

Re : Nectriaceae?

Bonjour,

Avec l'aide de la génétique, l'espèce liée à Massaria anomia (sur Fabaceae) fut distinguée de celle poussant sur Acer.

Il serait sans doute intéressant de séquencer les récoltes sur Prunus pour voir s'il s'agit d'une espèce inédite.

Voir ici : https://ascomycete.org/Journal/Article/art-0281

Andgelo

Mirek Gryc, 23-11-2020 15:43

Re : Nectriaceae?

Thank you Andgelo for the information.
Would someone be so nice and make this article available for me to read it? Unfortunately, I do not have access to it.

Although the photos I have seen show that Flammocladiella anomiae is more orange and my fruiting bodies were yellow, unless it is a not very important trait?

If anyone is interested in the material, I will gladly send it.

Mirek

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