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29-03-2024 14:37

Michel Hairaud Michel Hairaud

Bonjour , Voici une nouvelle récolte de cette be

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Michel Hairaud Michel Hairaud

Bonjour, Je recherche la description du genre Mac

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Juuso Äikäs

These little black ascos were growing on a dead, d

28-07-2011 18:31

Alex Akulov Alex Akulov

Dear FriendsToday I made the pdf file of Velenovsk

27-03-2024 22:53

Charles Aron Charles Aron

Hi All,Recently I came across these minute, setose

25-03-2024 13:41

B Shelbourne B Shelbourne

• Hyaloscyphaceae (no VBs), Hyaloscypha: Macro a

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Riet van Oosten Riet van Oosten

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Spores (telles qu'elles apparaissent à l'intérie

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Asco on Myxo (Didymium)
Marja Pennanen, 10-07-2011 18:08
Hello folks,

I've been doing mostly myxos lately. So I picked some Didymium or Diderma last night and just studied it. The myxo is Didymium melanospermum, but there were some tiny, invisible ascomycetes growing on the surface of it, so no macrophotos are available.

The spores are small, 5-6x2 and asci about 50x4, propably hemiamyloid.

No idea even of the genus...

Marja
  • message #15784
  • message #15784
Alain GARDIENNET, 10-07-2011 18:42
Alain GARDIENNET
Re : Asco on Myxo (Didymium)
Hi Marja,
Your photo is a little too dark. You can use an open softaware like Photofiltre to work your image.
I don't know your fungus.
Alain
  • message #15785
Marja Pennanen, 10-07-2011 19:35
Re : Asco on Myxo (Didymium)
Ooh, thanks. I have Adobe photoshop limited edition and only crobed the photo.

Been searching in internet. Could this be Nectriopsis? Maybe Nectriopsis exigua? Just haven't found a description yet, just an old key.

Marja
Alex Akulov, 10-07-2011 20:36
Alex Akulov
Re : Asco on Myxo (Didymium)
Dear Marja
Perhaps these articles will help you.
Alex
Marja Pennanen, 10-07-2011 20:59
Re : Asco on Myxo (Didymium)
Dear Alex,

thank you!

I'll check later if Mycologia, Vol. 65? contains a proper description of the species.
Nectriopsis oropensoides? could be another option. Should study some myxo-fruitbodies later for these, if there are some...

Marja


Christian Lechat, 10-07-2011 21:28
Christian Lechat
Re : Asco on Myxo (Didymium)
Hi Marja,
if your fungus is Nectriopsis orpensoides, then , hypal elements should be spinulose.
cordially,
Christian