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24-01-2020 18:05

Gernot Friebes

Hi,I'm looking for help with this unkown Scutellin

23-01-2020 13:54

Patrice TANCHAUD

Bonjour, récolte dans un lieu incendié où il y

22-01-2020 20:14

Thorben Hülsewig

Hi there, two week ago i found a Pseudonectria pa

24-01-2020 15:35

Thomas Læssøe

No clue on this one but maybe all you clever ones

24-01-2020 17:43

Björn Nordén

Hi!Has anyone some advice on this? the ascospores

24-01-2020 16:38

Thomas Læssøe

https://svampe.databasen.org/observations/10072105

22-01-2020 21:21

Castillo Joseba Castillo Joseba

Especie recolectada en corteza de eucalipto, en la

23-01-2020 14:29

Castillo Joseba Castillo Joseba

Recolectado en caña de gramineas en zona dudarPie

23-01-2020 15:15

Castillo Joseba Castillo Joseba

Hemos recolestado esta especie en hojas que no hem

23-01-2020 17:04

Thomas Læssøe

Perithecia superficial, amongst af forest of dark

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likely out of topic - anamorph of Botryobasidium?
Lothar Krieglsteiner, 29-11-2019 12:56
Lothar Krieglsteiner

... collected in the National Park of Eifel, Germany, 13.11.19, on very freshly fallen log of Fagus sylvatica, on the bark (iniatial phase), abundantly growing.


The conidia are very variable in size, about (12)14-18(21)/(7,5)9-13(17) µm, the hyphae are about 14-18 µm broad, at the clavate ends up to 23 µm.


I think of an anamorph of Botryobasidium, but I do not clearly get to a species. Does somebody?


Best regards, Lothar

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Eduard Osieck, 29-11-2019 15:53
Re : likely out of topic - anamorph of Botryobasidium?
Could be “out-of-topic” indeed: this reminds me of the algae Trentepohlia which forms extensive orange mats on tree trunks like Pinus sylvestris.
See for instance: http://www.bioref.lastdragon.org/Chlorophyta/Trentepohlia.html
Eduard
Lothar Krieglsteiner, 29-11-2019 15:56
Lothar Krieglsteiner
Re : likely out of topic - anamorph of Botryobasidium?

Hello Eduard,


thank you for your proposal.


But - I do not believe this. I saw Trentepohlia often, on rocks and on wood also. I am sure this is a fungus.


Best regards, Lothar

Thorben Hülsewig, 29-11-2019 16:24
Re : likely out of topic - anamorph of Botryobasidium?
Hi Lothar,

compare with Nematogonum ferrugineum.

Viele Grüße,
Thorben
Lothar Krieglsteiner, 29-11-2019 16:33
Lothar Krieglsteiner
not out of topic - Nematogonum ferrugineum

Hallo Thorben,


fantastisch - das scheint sehr gut zu passen.


Ich habe mich hier informiert:


http://www.ascofrance.com/forum/13380/asco-sur-fagus


Wenn ich es richtig verstanden habe, handelt es sich um einen Parasiten auf Neonectria-Arten. In der Nähe sah ich N. coccinea (oder was ich dafür halte), insofern passt es vorzüglich, natürlich auch bezüglich der makro- und mikroskopischen Merkmale.


Nochmals danke und herzliche Grüße


Lothar