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• Scuttelinia: Macro and habitat.• S. scutella

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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!