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08-12-2019 20:38


cupules <2mm à centre gris bleuté, face exter

08-12-2019 11:01

Gilbert MOYNE

Bonjour, Un petit champignon que m'a remis Andgel

07-12-2019 18:45

Laurens van der Linde Laurens van der Linde

Hallo i found the P atrovinosa with a slime specie

07-12-2019 22:22

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos. Subo unas fotos de un asco que hemo

06-12-2019 19:49

Edvin Johannesen Edvin Johannesen

Hi! Tiny, black, oblong stromata with pure white

27-11-2019 16:54

Rasmus Riis-Hansen Rasmus Riis-Hansen

Hi,I hope you can help med with this disc found a

05-12-2019 09:06

Valencia Lopez Francisco Javier

Hola amigosEstoy buscando este trabajo de la Errot

05-12-2019 19:35

Ibai Olariaga Ibarguren

Dear colleagues, I was wondering if anyone could

19-11-2019 18:05

Lothar Krieglsteiner Lothar Krieglsteiner

... under a twig of deciduous tree (likely Quercus

29-06-2011 22:52

Luc Bailly Luc Bailly

Encore trois ascos de la réserve naturelle domani

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Plagiostoma (Gnomoniella) on Euphorbia stems
Enrique Rubio, 09-05-2014 13:19
Enrique Rubio

Hi to everybody

On last week-end I have found some small (up to 0.2 mm in diam.) sphaerical, blackish, inmersed and scattered perithecia growing on dead stems of Euphorbia cf. hyberna at 1600 m of altitude, together with Apiognomonia austriaca and Diplonaevia mollisioides. Only the short conical neck, up to 0.15 mm. protruding over the peridermis of the plant.

I feel this fungus is close (but not the same) to Plagiostoma (Gnomoniella) euphorbiae-verrucosae but in Asturias does not exist Euphorbia verrucosa, my perithecia are smaller, the ascospores bigger with the apical pole acute and the caudal one obtuse.

Maybe un undescribed species?

What do you think?

Thans again


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Alain GARDIENNET, 09-05-2014 22:02
Re : Plagiostoma (Gnomoniella) on Euphorbia stems

Hi Enrique,

An amazing Gnomoniaceae, really, and perhaps it's an undecribed species, as you said.

I'll send you an email.


Alessio Pierotti, 10-05-2014 21:43
Alessio Pierotti
Re : Plagiostoma (Gnomoniella) on Euphorbia stems
Enrique, I can send you some interesting works about Plagiostroma.
Peter Wilberforce, 11-05-2014 10:25
Re : Plagiostoma (Gnomoniella) on Euphorbia stems
Dear Enrique,
Would you please be so kind as to contact me by email,
as I have not received the material for sectioning
Regards Peter W
Enrique Rubio, 11-05-2014 12:28
Enrique Rubio
Re : Plagiostoma (Gnomoniella) on Euphorbia stems

Thanks Alessio

Please, send me them!