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18-04-2013 19:39

David Malloch David Malloch

Hello everyone,I have been finding this discomycet

18-04-2013 18:55

Salvador Tello

Hola a todos.Este hongo crecía bajo Quercus ilex,

18-04-2013 10:53

Hans-Otto Baral Hans-Otto Baral

Need to post this again, that everybody reads it:D

18-04-2013 09:34

Stefan Blaser

Hello everybodyCould someone provide me with the f

16-04-2013 16:32

Nicolas VAN VOOREN Nicolas VAN VOOREN

Here is a collection of Orbilia crenatomarginata t

15-04-2013 22:31

Joop van der Lee Joop van der Lee

Found on cow dung.A circular shaped fruitbody (66.

16-04-2013 00:02

Esquivel-Rios Eduardo

Hi All.Black mildew in Andira sp. (Fabaceae) from

11-04-2013 03:21

Roland Labbé

Bonjour !Voici un Orbilia probable de la région d

14-04-2013 15:32

hannie wijers

Could this be a Podospora decipiens be? Found on h

13-04-2013 19:48

Nicolas VAN VOOREN Nicolas VAN VOOREN

Bonsoir.Trouvé ce jour, sur bois de feuillu, dÃ

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Hyphodiscus/Cistella on old stromata of Hypoxylon
Enrique Rubio, 24-02-2014 20:17
Enrique RubioCan anyone help with these gregarious, small (up to 0.3-0.4 mm) sessile, white to amber, slightly gelified apothecia growing on old stromata of Hypoxylon grex rubiginosum? I don't know if the sustrate is reddening because the host is red.

The hairs are very difficult to dissociate and they are hyaline, long cylindrical, with no clavate and verrucose apices. Asci IKI red with croziers. Paraphyses with some colourless Vb's.


I think could be an Hyphodiscus species, maybe the Hyphodiscus 'cistella' of Baral's folders but perhaps it could be Nannfeldt's Cistella geelmuydenii. Or these two fungi are conspecific?


What do you think?


Thanks again

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Hans-Otto Baral, 25-02-2014 19:42
Hans-Otto Baral
Re : Hyphodiscus/Cistella on old stromata of Hypoxylon
Hi Enrique

it may be this Hyphodiscus "Cistella", though the oil drops in the spores are not the same. But it would be important to make a section or otherwise test the ectal excipulum which is strongly gelatinized there (see below). 

Also the yellow pigment which is sporadically present on the exterior would be worth to see.

Zotto
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Enrique Rubio, 26-02-2014 19:27
Enrique Rubio
Re : Hyphodiscus/Cistella on old stromata of Hypoxylon

Thank you, Zotto


My material is now dried but, when it was alive, I don't remember an strongly gelatinized tissue as your pic shows.Â