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30-03-2026 09:53

Yanick BOULANGER

BonjourVoici des petites fructifications poilues s

30-03-2026 12:18

Sylvie Le Goff

BonjourRécolté sur la base de Pteridium aquilinu

30-03-2026 12:03

William Slosse William Slosse

Hello all,On 27/03/26, in Kraaiveld in Wingene (Be

28-03-2026 17:41

Louis DENY

Bonjour forum,Mollisia trouvée sur tige de Molini

25-03-2026 10:35

Hulda Caroline Holte

Hello,I collected this species growing on a dead b

27-03-2026 10:47

Ã…ge Oterhals

I have tentatively identified this Stictis to S. f

28-03-2026 07:55

Marc Detollenaere Marc Detollenaere

Hello everybody,Yesterday I found a number of whit

26-03-2026 15:31

Ã…ke Widgren Ã…ke Widgren

Hello,I found this one in October last year, on r

27-03-2026 15:23

Gernot Friebes

Hi,this Trichopezizella deviates from typical T. b

27-03-2026 15:08

Gernot Friebes

Hi,I'm looking for help with this coelomycete on C

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Rutstroemia de Somiedo
Rubén Martínez-Gil, 23-06-2017 21:27
Rubén Martínez-Gil

Hola a todos.


Subo unas fotos de una Rutstroemia que encontramos sobre hojas de Euphorbia en la zona de El Valle del Lago.


Esporas de 10,7-12,9 x 4,6-5 micras.


Ascas pleurorrincas.


¿Qué les parece?


Gracias por sus respuestas.


Saludos


Rubén

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Hans-Otto Baral, 23-06-2017 21:44
Hans-Otto Baral
Re : Rutstroemia de Somiedo
Hi Ruben!

hmm, where exactly did you collect this? On the road to Farrapona? There I made a similar collection 4 years ago, but the spores were much larger: *18-19.5 x 7-8 µm.

The asci are amyloid?

You can find my sample under Rutstroemia aff. calopus, HB 9784 in the folder calopus cf., cf. Euphorbia.

Locality: in Valle de Saliencia, the way up to the Collada de La Farrapona, 2km further up the braña Las Campas, on unidentified plant remains in the environment groups Euphorbia sp. seen in the photo.

Zotto
Rubén Martínez-Gil, 23-06-2017 22:05
Rubén Martínez-Gil
Re : Rutstroemia de Somiedo

Hola Zotto.


Le paso una imagen que he encontrado en la red y le he marcado el sitio donde la encontré.


Lo siento, no miré si era o no amiloide, pero mañana puedo mirarlo, tengo muestra, aunque ya secas...


Saludos


Rubén

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Gilbert MOYNE, 23-06-2017 23:11
Re : Rutstroemia de Somiedo
Bonsoir Ruben, Bonsoir Zotto,
Oui, nettement amyloïdes. Ruben m'en avait confié quelques exemplaires.
Bonne soirée à vous
Gilbert
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Rubén Martínez-Gil, 24-06-2017 00:22
Rubén Martínez-Gil
Re : Rutstroemia de Somiedo

Hola Gilbert.


Magnífico dibujo.


Saludos


Rubén

Hans-Otto Baral, 24-06-2017 11:57
Hans-Otto Baral
Re : Rutstroemia de Somiedo
Thanks Gilbert! Now I found a Lambertella carpatica in my database with this substrate and spores size, and wonder if it is this species. The spores are described as eguttulate, however.

Characteristics are:

- crystals at the margin (I see small ones on Ruben's photo)
- spores turning brown with age (this depends on the maturation)
- medulla strongly amyloid (remains to be checked).

Zotto
Gilbert MOYNE, 25-06-2017 10:29
Re : Rutstroemia de Somiedo
Bonjour Zotto,
Merci pour ta réponse mais, je n'ai pas étudié la chair hélas... Je ne peux donc te répondre surles cristaux et sur l'amyloïdie de la medulla. En revanche, pas observé de brunissement au niveau des spores. Peut-être Ruben...
Amitiés
Gilbert
Rubén Martínez-Gil, 25-06-2017 22:31
Rubén Martínez-Gil
Re : Rutstroemia de Somiedo

Hola Zotto, Gilbert.


Subo unas fotos de esporada libre, de ascas amiloides y de excípulo.


En principio no he visto cambio de color a pardo en las esporas.


Ascas amiloides.


Tampoco he apreciado reacción amiloide en medular.


Saludos


Rubén

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Hans-Otto Baral, 25-06-2017 22:39
Hans-Otto Baral
Re : Rutstroemia de Somiedo
Well, now we are not much wiser. Your spores do not look overmature, so this brown colour could still come. But medulla amyloidity should be seen even in a squash mount.

maybe this medulla amyloidity is variable, who knows....
Zotto
Rubén Martínez-Gil, 30-06-2017 21:21
Rubén Martínez-Gil
Re : Rutstroemia de Somiedo
Gracias Zotto.