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19-11-2025 23:21

carl van den broeck carl van den broeck

Dear guestIn Waardamme, Belgium, I found dozens of

19-11-2025 20:51

Andreas Millinger Andreas Millinger

Good evening,found this species on a felled trunk

19-11-2025 13:04

Bruno Coué Bruno Coué

Bonjour,je  sollicite votre avis pour la récote

17-11-2025 21:46

Philippe PELLICIER

Bonjour,Récolté sur bois pourrissant de feuillu

18-11-2025 18:26

David Malloch David Malloch

I am trying to locate the article, Müller, E. 195

16-11-2025 21:09

Robin Isaksson Robin Isaksson

Anyone recognize this acc. to pictures.? Found on

18-11-2025 13:59

Nogueira Héctor

November 14, 2025 Brazuelo (León) SPAIN Hymenosc

17-11-2025 19:14

herman lambert

Apothécie discoïde 0.6 cm diam., orangeFace hymÃ

17-11-2025 21:57

Philippe PELLICIER

Bonjour,Récolté sur bois de feuillu mort dur, no

14-11-2025 16:26

Marian Jagers Marian Jagers

Hello everyone, On dead wood of Cytisus scoparius

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Ciboria on Betula catkin
Juuso Äikäs, 14-01-2021 17:39
Last April I found some quite small Ciboria fruitbodies growing from an old Betula catkin. 

On Betula there are at least two species, C. betulae and C. betulicola. The spore size would fit within the lower range of the former one. About the latter one I haven't found much info. 

The spores measure 9.4 - 10.9 × 4.1 - 5.2 microns. Unfortunately I didn't check the sample in IKI/MLZ or check for croziers. Is it still possible to say which one this is?
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  • message #67075
Hans-Otto Baral, 14-01-2021 18:13
Hans-Otto Baral
Re : Ciboria on Betula catkin
Quite small means less than 2-3 mm?

The one well-living spore looks to me like binucleate, though I am not sure.

In Fungi Canadenses (see my folder) C. betulicola is 2-8(-10) mm diam. with long stipe, and spores uninucleate.

C. betulae = seminicola has rough spores that are more slender.

So I have no idea.
Juuso Äikäs, 14-01-2021 18:42
Re : Ciboria on Betula catkin
The diameter of the apos was maybe max. 3 mm or so. I attached a pic of the entire catkin to give a better impression of the size. Here's also a couple extra micro pics. I'm not sure, but maybe I have accidentally photographed a crozier?
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Juuso Äikäs, 14-01-2021 18:44
Re : Ciboria on Betula catkin
Crozier?
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Juuso Äikäs, 14-01-2021 18:45
Re : Ciboria on Betula catkin
Spore.
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Hans-Otto Baral, 14-01-2021 20:39
Hans-Otto Baral
Re : Ciboria on Betula catkin
Yes, croziers and 2 nuclei. This would fit C. coryli. How certain is Betula?
Juuso Äikäs, 14-01-2021 21:04
Re : Ciboria on Betula catkin
Ah, ok! If I recall correctly, Betula was the only deciduous tree I saw in the near vicinity. But I can't say I'm 100 % sure. The place would be maybe a bit strange for Corylus. I think it was acidic and fairly nutrient-poor.

But I'll have to keep this in mind and later check the place again. Thanks!