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28-01-2023 12:27

Pyrenopeziza on Salix
Juuso Äikäs

These were growing on a piece of thick Salix capre

27-01-2023 23:08

Ascobolus michaudii ?
Patrice TANCHAUD

Bonsoir, récolte réalisée sur excréments ou p

27-01-2023 14:41

Cistella on Salix bark
Juuso Äikäs

A couple days ago I found a plentiful growth of th

09-01-2023 14:08

Any ideas
Zoltan Lukacs Zoltan Lukacs

Anyone got an idea? It's immature material, but th

26-01-2023 15:23

Dark ones on Pimus cone
Marja Pennanen

Hello forum. I collected some dark ones on Pinus

24-01-2023 19:53

Anthracobia tristis??
ruiz Jose antonio

Hola,en restos de quemados,de unos 4 a 5 mm. Espor

24-01-2023 23:30

Diplodia?
Josep Torres Josep Torres

Hola.Una Botryosphaeriaceae sobre la corteza de un

09-01-2023 08:14

Ascomicetos anaranjados sobre suelo
Francisco SÃNCHEZ Francisco SÁNCHEZ

Ascomiceto anaranjado sobre suelo desnudo, 29/12/2

23-01-2023 13:38

Helvella para ID 2593
Castillo Joseba Castillo Joseba

Me mandan elo material seco de Galicia (España) r

16-01-2023 21:31

Troposporella fumosum => Troposporella monilipes
Riet van Oosten Riet van Oosten

Hello, Nearby the find of Calycina claroflava on

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Black on Picea abies
Marja Pennanen, 06-08-2011 12:09
Hello,

these black spots are up to something like 0,5x0,1 mm.
The asci are 50-65x3-4.
Spores are 12-16x2 and seems to develop one septum.
Maybe this represents a Mytilinidiaceae species. Could this be for instance Actidium hysterioides or A. nitidum?

Marja
  • message #16066
  • message #16066
  • message #16066
Alain GARDIENNET, 06-08-2011 17:37
Alain GARDIENNET
Re : Black on Picea abies
Yes very probably A. nitidum.
Alain
Marja Pennanen, 07-08-2011 12:19
Re : Black on Picea abies
Thank you!

Once again a representative of a new genus for me.
The species may even be new to Finland.

Marja
Alain GARDIENNET, 15-11-2022 18:25
Alain GARDIENNET
Re : Black on Picea abies
Hi Marja,
10 years later, I read again your post, and my answer. No I can say that is not Actidium nitidum, but un ined. species. Did you keep material ? 
I find a similar species several time, but on  Abies. Did you sure of Picea ?Best wishes,
Alain
Marja Pennanen, 19-11-2022 12:46
Re : Black on Picea abies
Dear Alain,

I have the specimen and I just checked it. It seems to be a small branch of Picea abies, where those black ones grow.

Greetings: Marja