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Mot de passe perdu? S'inscrire

14-05-2018 17:52

Herrera Emerson Herrera Emerson

Buen día, si alguien pudiera tener acceso a este

13-05-2018 12:43

Peter Thompson

Hello Everyone,I have found some tiny, spherical p

12-05-2018 18:05

Nicolas VAN VOOREN Nicolas VAN VOOREN

Bonjour.Je cherche une copie PDF de cet article :B

07-04-2018 13:18

Blasco Rafael Blasco Rafael

Hola, he recogido esta especie en madera de JUglan

09-05-2018 16:57

Andrew N. Miller Andrew N. Miller

I am in search of fresh Cercophora scortea from du

09-05-2018 18:57

Jean-Louis JALLA Jean-Louis JALLA

Bonjour à tous.J'ai récolté, ce jour, un asco h

07-05-2018 12:40

PASCAL DUBOC

Bonjourpetite colonie de minuscules apothécies &l

29-05-2016 18:06

Chris Yeates Chris Yeates

Bonjour tousI collected this on a previous year's

07-05-2018 22:04

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Hier j'ai trouvé cet as

07-05-2018 00:19

Marc Detollenaere Marc Detollenaere

On decorticated wood of Picea abies, I found sever

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Anamorph fungus on twig
Thorben Hülsewig, 29-04-2018 21:26
Hi there,

i found 2 days ago this Anamorph on Quercus rubra or Fagus sylvatica twig.
It looks like black but the conidia are green and measure 15-18 x 10-15 micrometre (4 Measurements).
Any ideas what that could be ?

best regards,
Thorben

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Hans-Otto Baral, 29-04-2018 22:03
Hans-Otto Baral
Re : Anamorph fungus on twig
Hi Thorben
this reminds me of the genus Epicoccum, but I am not familiar with these fungi.
Zotto
Chris Yeates, 29-04-2018 22:31
Chris Yeates
Re : Anamorph fungus on twig
Epicoccum forms sporodochia - perhaps a Ulocladium or something similar?

Chris
Jason Karakehian, 29-04-2018 22:49
Jason Karakehian
Re : Anamorph fungus on twig
You might try Berkleasmium? Here is a recent paper: Asexual-sexual morph connection in the type species of Berkleasmium. Tanney & Miller. IMA Fungus 8(1)99-105. 2017. There are keys by Royal T. Moore and: A synopsis of the genus Berkleasmium... Fungal Diversity. Bussaban et al. that I attached here. These are sporodochia that are often found on Quercus. Best - Jason
Chris Yeates, 29-04-2018 23:52
Chris Yeates
Re : Anamorph fungus on twig
I'm not convinced that Thorsten's fungus is sporodochial though - based on what I can see . . .
Thorben Hülsewig, 30-04-2018 18:29
Re : Anamorph fungus on twig
Hi there,

here are few more pictures.
It was very difficult to see that, but i think the fungus is sporodochial and it looks like the same one as on this pages.
http://www.biologforeningen.org/enbiolog/topic.asp?TOPIC_ID=40135


http://cataloguingcullaloe.blogspot.de/2016/01/hyphomycete-fungus-trimmatostroma.html


I forgot to write that the conidia are verrucose and i have some dried material.


best regards,
Thorben

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Chris Yeates, 30-04-2018 22:54
Chris Yeates
Re : Anamorph fungus on twig
Of course it is Trimmatostroma betulinum . . . . sometimes one forgets the obvious answer.

Chris
Hans-Otto Baral, 01-05-2018 06:56
Hans-Otto Baral
Re : Anamorph fungus on twig
Hi Chris

I think this is a good idea. T. betulinum seems to be the anamorph of Mollisia fusca, at least in a wide sense, based on available DNA data.

I think the illustation in Ellis & Ellis 1985: fig. 406 fits well. Not really the same seems to be the following because of the smooth conidia (but the finder says "also somewhat rough ornamented"):

http://www.pilzflora-ehingen.de/pilzflora/arthtml/tbetulinum.php

Zotto