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19-11-2019 17:35

Lothar Krieglsteiner Lothar Krieglsteiner

... also in National Park Eifel, Germany, 16.11.20

20-01-2020 14:52

Josep Torres Josep Torres

Hola.Unas imágenes del 21 de Mayo de 2018, de un

27-12-2019 04:11

Koszka Attila

On dead, still attached Sambucus-twig. Spores 6,5

22-01-2020 14:17

Chris Yeates Chris Yeates

Bonjour tous This post also links to http://www.a

20-01-2020 18:19

Valencia Lopez Francisco Javier

Hola a todos/asTengo estas Pseudombrophila sp, rec

22-01-2020 13:36

Castillo Joseba Castillo Joseba

Recolectada en hoja seca de Acebuche (Olea europae

22-01-2020 11:51

Bernard Declercq Bernard Declercq

Hi,Collected on twigs of Castanea sativa:Pycnidia

21-01-2020 21:24

Sven Heinz Sven Heinz

Hello, what kind of mushroom is this? It grows on

18-01-2020 19:03

BERNARD CLESSE BERNARD CLESSE

Bonsoir à toutes et tous,Une idée pour cet asco

20-01-2020 18:55

Andgelo Mombert

Bonsoir, Un petit discomycète vert noirâtre mes

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anamorph on wood and leaves
Lothar Krieglsteiner, 19-11-2019 18:05
Lothar Krieglsteiner

... under a twig of deciduous tree (likely Quercus or Carpinus) on the ground in a decidous mixed forest on acid soil - in the National Park of Eifel, Germany, 13.11.2019.


I found the macroscopical appearance quite striking - and so I hope somebody can provide me with a hint. The conidia are bluish and distantly warted, about 4,8-5,5 µm.


Best, Lothar

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Pérez del Amo Carlos Manuel, 20-11-2019 09:14
Pérez del Amo Carlos Manuel
Re : anamorph on wood and leaves
Me recuerda al género Amaurodon (basidiomycota)

Saludos,
Carlos
Thomas Læssøe, 20-11-2019 09:54
Re : anamorph on wood and leaves
agree - A. cyaneus is a possibility if you cannot find any clamps. The spores should be more blue in KOH
cheers
Lothar Krieglsteiner, 20-11-2019 10:00
Lothar Krieglsteiner
Re : anamorph on wood and leaves

Hello Carlos and Thomas,


oh yes - you could be right. Always when I find a lot of spores and not too many other structures, I am seduced to think of an anamorph. I will re-examine and try to find basidia, and look the spores in KOH.


Thanks and best regards, Lothar

Lothar Krieglsteiner, 20-11-2019 16:51
Lothar Krieglsteiner
Re : anamorph on wood and leaves

I was too fast here - yes, it is a "simple" basdiomycete, and yes, an Amaurodon. I come to A. viridis, the hyphae are clamped, and the spores are fitting.


Thanks again, and best regards, Lothar

Ludovic Le Renard, 04-12-2019 23:52
Ludovic Le Renard
Re : anamorph on wood and leaves — tangential question
I would like to know more about 'resupinate ascomycetes'.

Are there any ascomycete producing ceraceous and resupinate structures like that one (I understand it has been identified as Basidio)?

The only asco I know of that may vaguely look like this is Ascocorticium anomalum, and it is not really as tuberculate.

Cheers,

Ludo
Lothar Krieglsteiner, 05-12-2019 05:42
Lothar Krieglsteiner
Re : anamorph on wood and leaves

Hello Ludo,


the structure of this Amaurodon is not at all ceraceous but quite filamentous, and easy to separate from the substrate and to pull apart into fluffy pieces. Structures similar to this you can easily find in anamorphs of ascomycetes.


Best regards, Lothar

Ludovic Le Renard, 05-12-2019 17:56
Ludovic Le Renard
Re : anamorph on wood and leaves
Thank you for your reply Lothar.
I must be mistaken in what ceraceous refers to. I though it just refer to a 'waxy' appearance.

If I may reformulate my question: do you know any resupinate hyphomycete (asco) in which the sporulating surface is organized like a hymenium? I know it wouldn't qualify as a 'hymenium' in the absence of meiosporangia, but I wonder what, other than setae, may represent sterile hyphae intermingled with conidiophores/ conidiogenous cells in 'resupinate' ascos?

Cheers,

Ludo