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Loculoascomycete on hardwood
Enrique Rubio, 18-04-2012 13:40
Enrique Rubio

Hello again

These nice, gregarious, small (0-7-1 mm), ostiolate, pseudothecia with conspicuous orange yellow neck that turns purple in KOH, grow under a dense, byssoid, ochracous subiculum on indeterminate wet hardwood in riversides.
Asci bitunicate, 8-spored. Pseudoparaphyses present. Ascospores 55-98 x 12-17, 7-septate, the fourth cell wider. Walls minutely verruculose in Melzer. 


I don't know a good genus for my collection.
What's your opinion
Many thanks in advance
Enrique     

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Gernot Friebes, 18-04-2012 14:06
Re : Loculoascomycete on hardwood
Hi Enrique,

looks quite similar to Pseudotrichia viburnicola.

Best wishes,
Gernot
Enrique Rubio, 18-04-2012 14:19
Enrique Rubio
Re : Loculoascomycete on hardwood
OK., Gernot
It seems to be clear!!
Many thanks
Enrique
Martin Bemmann, 18-04-2012 14:54
Martin Bemmann
Re : Loculoascomycete on hardwood
Hi Enrique,

this one should be new to Spain.

Best regards

Martin
Enrique Rubio, 18-04-2012 18:05
Enrique Rubio
Re : Loculoascomycete on hardwood
I think so, Martin


I have send you by e-mail the coordinates of my finding
Enrique
Martin Bemmann, 18-04-2012 19:50
Martin Bemmann
Re : Loculoascomycete on hardwood
Thank you very much! Its recieved.

Regards

Martin
Paul LEROY, 19-04-2012 19:32
Re : Loculoascomycete on hardwood
Bonjour Enrique,

Je suis d'accord avec Gernot. La représentation et description de ce spécimen(réaction KOH ,mensurations et cloisonnement des spores et asques bituniqués) convient
parfaitement pour Pseudotrichia viburnicola. On peu le trouver sur une large gamme
d'hôtes,sauf sans doute les résineux
Amicalement,

Paul LEROY
Enrique Rubio, 19-04-2012 20:02
Enrique Rubio
Re : Loculoascomycete on hardwood
Merci Paul

L'hote de mon recolte est Hedera helix 
Enrique
Enrique Rubio, 31-07-2013 19:22
Enrique Rubio
Re : Loculoascomycete on hardwood
Hi Martin Bemman


I have another collection of Pseudotrichia viburnicola on Wisteria sp. branches at 2 m over the ground.



The data of this collection are:
Oviedo, jardines del Hospital Covadonga (Asturias) Spain, 30-VII-2013, on Wisteria, ERD-5948.
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Martin Bemmann, 31-07-2013 20:22
Martin Bemmann
Re : Loculoascomycete on hardwood
Hi Enrique,

thanks for the data!
It turns out again that Pseudotrichia viburnicula is not very picky in choosing the host...

Best regards

Martin