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29-09-2022 20:26

Elisabeth Stöckli

Bonsoir, Trouvé à 2'500 m (prairie alpine), tai

05-10-2022 14:35

Viktorie Halasu Viktorie Halasu

Hello,I've found here a Hypoxylon (or Hypomontagne

04-10-2022 18:38

Juuso Äikäs

These little brown, hairy apos were growing on a d

01-10-2022 11:54

DirkW DirkW

chers collègues, anyone out there who could send

05-10-2022 16:09


Bonjour, Qui peut me renseigner sur ce Podostroma

24-10-2021 21:50

Robin Isaksson Robin Isaksson

Hi,Found on Andreaea rupestris sweden.ascomata bl

29-09-2022 17:25

Juuso Äikäs

A finding from a couple days ago: a few white Hyme

29-09-2022 13:34

Marja Pennanen

Dear colleagues, a couple of days ago I found the

13-12-2014 21:47

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos. Subo unas imágenes de un disco neg

26-09-2022 15:31

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,please, can this be something else than Hypo

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Hymenoscyphus on cone of Alnus
Stefan Jakobsson, 07-08-2022 01:57
A light-coloured Hymenoscyphus growing on a cone of Alnus incana in moist sand gives me a light headache. The disc is up to 2,2 mm wide. The scutuloid spores are (15.0)15.5-18.0(19.7) × (3.7)4.0-4.6(4.8) µm, without setulae, and the asci 95-110 × 8.2-11.4 µm. It seems to have croziers, so H. fructigenus does not look right. Also, I did not find seeds when digging for them, so not either H. seminis-alni.

Are there better alternatives?

Thanks in advance,


  • message #73635
  • message #73635
  • message #73635
  • message #73635
Hans-Otto Baral, 07-08-2022 09:04
Hans-Otto Baral
Re : Hymenoscyphus on cone of Alnus
Indeed clearly with croziers. I do not remember a species fitting this. The substrate is nt recognizable from your photos, is the cone entire or broken?
Stefan Jakobsson, 07-08-2022 10:24
Re : Hymenoscyphus on cone of Alnus
The cone is entire.