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18-05-2026 10:13

Lieve Deceuninck Lieve Deceuninck

Dear forum members,I identified this as the teleom

17-05-2026 22:09

éric ROMERO éric ROMERO

Bonjour tous, Je sollicite vos avis pour ce Molli

17-05-2026 19:05

Thomas Flammer

I have found this tiny 200 ym cup shaped apothecia

17-05-2026 16:41

Margot en Geert Vullings

We found this Lachnum on an old Rubus stem.Fruitbo

05-04-2026 22:46

Lothar Krieglsteiner Lothar Krieglsteiner

on wood of Ceratonia, Algarve, 3.4.2026.The color

15-05-2026 13:33

Sylvie Le Goff

Bonjour à tousJe serais très reconnaissante enve

16-03-2011 14:31

roman vargas alberto

Hi. I would like some opinion about this Peziza

14-05-2026 05:36

Ethan Crenson

Hi all,  I haven't paid much attention to Lachnu

10-05-2026 23:17

Andreas Gminder Andreas Gminder

Hello,today we found in a moist steep decidous for

11-05-2026 12:32

Bernard CLESSE Bernard CLESSE

Pourriez-vous m'aider à identifier cette héloti

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Hymenoscyphus on Juniperus
Marja Pennanen, 30-08-2010 09:14
Hello,
as I mentioned I found something on the needles and twigs of Juniperus, which I naturally couldn't determine.
These are about 0.3-0,7 mm wide and 1-2 mm high.
The base of the stipe may be darker.
  • message #12692
Marja Pennanen, 30-08-2010 09:16
Re:Hymenoscyphus on Juniperus
The spores are multiguttulate, 12-17x3-4 and asci 75-95x6-8, IKI+.
Paraphyses are septate, some with VB:s and 2-2,5 micrometers wide.
Poor photo of the shape of the spores:
  • message #12693
Marja Pennanen, 30-08-2010 09:22
Re:Hymenoscyphus on Juniperus
Another view of microscophy.

Why are these Hymenoscyphuses so hard fo me to open?
I've been able to determine lately only H. kermesinus, H. scutula, H. salicellus and H. caudatus, which are allready quite familiar to me.

Desperate Marja
  • message #12694
Hans-Otto Baral, 30-08-2010 12:41
Hans-Otto Baral
Re:Hymenoscyphus on Juniperus
Hymenoscyphus is one of the most difficult genera. especially those with scutuloid spores are a hard nut. I do not see clear in such species like H. caudatus and even H. scutula.

Yours has quite narrow spores, and at the moment I have no suggestion, sorry. Important would be to know the croziers, actually. The ascus base is quite well seen on your photo, but should be viewed with oil immersion. I am sure you can learn that, I also must often search some time to see the feature clearly. It depends on the orientation, on the living state, on maturity etc., all this can obscure the feature. Best is to make a section and look at living cells.

Zotto
Marja Pennanen, 30-08-2010 13:43
Re:Hymenoscyphus on Juniperus
Hello Zotto,

my problem is that I've got almoust no practical education to mycology or nothing else, too.
I've just learned myself on the way.
Just dived (fast and deep?) into it and hoped to survive ;).

Now I'm waiting in despair, when the local university needs my loaned microscope for educational purposes.

Marja