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31-08-2025 17:32

Michel Hairaud Michel Hairaud

Bonjour, Pas d'identité trouvée pour cette réc

31-08-2025 19:41

Enrique Rubio Enrique Rubio

Hi to someone.I need to download this issue of Sve

31-08-2025 14:34

Thomas Flammer

I have found a Rutstroemia on abt. 2000 m on Alnus

29-08-2025 19:04

Thomas Flammer

Spores 21.2 - 26.2 x 8.3 - 11.3 µm - Q: 2.20 - 2.

30-08-2025 18:29

Joaquin Martin

Hi,I found this undetermined ascomycete on broadle

28-08-2025 17:24

Thomas Flammer

I know, that this is not the real topic of this fo

29-08-2025 05:16

Francois Guay Francois Guay

I think I may have found the teleomorph of Dendros

24-08-2025 21:59

Edmond POINTE Edmond POINTE

Bonsoir amis mycologues,Trouvé sur crottin de che

27-08-2025 12:02

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25-08-2025 17:37

François Freléchoux François Freléchoux

Bonjour,Nous avons trouvé samedi dernier à l'ét

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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
Alain GARDIENNET
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.


Alain

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.
Alessio
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,
p.wilberforce@btinternet.com
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!