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08-09-2010 21:24

Marja Pennanen

Hello, while looking for the pink Mollisia I natu

08-09-2010 14:19

Jacky Launoy

Bonjour à tous, j'ai une question pour les spéc

07-09-2010 12:01

Piet BORMANS Piet BORMANS

Est-ce que quelqu'un peut m'aider à déterminer c

03-09-2010 11:45

Marja Pennanen

Hello, yesterday evening I decided to go and pi

02-09-2010 16:04

Marja Pennanen

Hello, I found these on yesterday, too. They wer

02-09-2010 10:38

Marja Pennanen

Hi, I found these on some Carex yesterday. The

02-09-2010 00:32

Martin Bemmann Martin Bemmann

Hi, this one is from a dead branch of oak, stil

01-09-2010 23:07

Raúl Tena Lahoz Raúl Tena Lahoz

Hi to all! I have noticed a strange reaction for

01-09-2010 15:11

Enrique Rubio Enrique Rubio

Dear friends: Someone has the following article?

31-08-2010 17:18

Gernot Friebes

Hi, I found this one today on a branch of Styph

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Hymenoscyphus? from a "wet" place
Marja Pennanen, 08-09-2010 21:24
Hello,
while looking for the pink Mollisia I naturally stumpled upon other species including Mycena tubarioides, but also some ascos.
I found these on some leaves. Somehow it didn't fit my former memries of the habitus of H. epiphyllys on leaves. So I picked a specimen.
These are 2-4 mm wide:
  • message #12814
Marja Pennanen, 08-09-2010 21:26
Re:Hymenoscyphus? from a
The spore estimate is 10-15x4-5, with two big droplets.
The myxospores are from Lycogala epidendrum and 6 to 7.5 µm wide.
As you can see, I should consider some othet light options for the Old Russian :)
  • message #12815
Marja Pennanen, 08-09-2010 21:30
Re:Hymenoscyphus? from a
But the oddity can be figured in this photo.
It had huge asci. My estimate is something like 200x9 (IKI blue). Those brown myxospores are 12-14 wide. So you can estimate yourself. Maybe you get some other figures ;)
The paraphyses were about 2 micrometers wide and exceeded asci.

Strange for me, but hopefully not for you folks: Marja
  • message #12816
Stip Helleman, 08-09-2010 23:18
Stip Helleman
Re:Hymenoscyphus? from a
Hi Marja,
Odd indeed, i consider it to be close to Hymenoscyphus/Phaeohelotium monticola, but the asci are too tall i think
cheers Stip
Miguel Ángel Ribes, 08-09-2010 23:19
Miguel Ãngel Ribes
Re:Hymenoscyphus? from a
Hello Marja

It looks like a Bisporella sp.

Miguel Ángel
Stip Helleman, 08-09-2010 23:29
Stip Helleman
Re:Hymenoscyphus? from a
Good Shot Miguel,
i think you are right, what type of apical ring this species has? Calycina for Bisporella.
cheers Stip
Hans-Otto Baral, 08-09-2010 23:38
Hans-Otto Baral
Re:Hymenoscyphus? from a
Leaves sound strange to me for a Bisporella! Maybe Stip was not that wrong. I suggest this to be Helotium eichleri = Pachydisca pilatii. So it really needs to examine the apical ring shape, and also the contents of the paraphyses. I think I see a bit yellow-orange droplets. And spores could well be 5-6 µm wide. Asci in eichleri are over 200 µm.

The species is usually confined to conifers but I saw it also on a moss (Calypogeia) or on soil among Dicranella.
Zotto
Marja Pennanen, 09-09-2010 08:06
Re:Hymenoscyphus? from a
Thank you folks,

I can't see anyhing cleary until I find a better light for replacement of the one, that got the power from the broken transformer. So oil immersion is not an option now, it would not bring anything new (except more inaccuracy) to views. I'll keep a part of the specimen fresh and try to find something.

Everything seems a little bit comfortless now while the even before poor microscope is in such a bad condition and I got to return the loaned one.
But then I thought how much better things are than a year or two ago.
I've got a microscope anyway and it shows still something and I've got you folks :)

Thank you for being there: Marja
Hans-Otto Baral, 09-09-2010 10:26
Hans-Otto Baral
Re:Hymenoscyphus? from a
If you keep the apos fresh for some time you will probably get germination stages. In H. eichleri the spores form nice globose conidia, which would support my idea.

Zotto
Marja Pennanen, 09-09-2010 22:07
Re:Hymenoscyphus? from a
Hello,
I visited university today in a hurry.
Looked a little this on a university microscope and took only few photos, but managed to get one from the asci apex in Meltzer.
The asci were about 150-200x8-10 and spores 12-16 x5-6 (just few measurements).

Still one more day busy: Marja
  • message #12829
Hans-Otto Baral, 09-09-2010 22:20
Hans-Otto Baral
Re:Hymenoscyphus? from a
Very good, Hymenoscyphus-type.

Zotto