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04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

31-10-2025 09:19

Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

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Orbilia sp
Rubén Martínez-Gil, 18-09-2016 01:15
Rubén Martínez-Gil

Hola a todos.


Subo unas fotos de una Orbilia que hemos encontrado hoy sobre Onopordum acanthium.


Esporas curvadas de unas 13-14 x 1,1-1,4 micras.


Paráfisis con una sustancia en el ápice.


Pensé que podría tratarse de Orbilia aurantiorubra, ¿Qué les parece?


Gracias por su ayuda.


Rubén

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Hans-Otto Baral, 18-09-2016 08:05
Hans-Otto Baral
Re : Orbilia sp
Clearly Orbilia auricolor. Would be good to try a section of the margin to exclude other species. Did you see any 1-septate hyaline conidia?

A new substrate for this plurivorous species. Could you please give me the collection data?

Zotto
Rubén Martínez-Gil, 19-09-2016 11:06
Rubén Martínez-Gil
Re : Orbilia sp

Hola a todos, hola Zotto.


No he encontrado conidios en las preparaciones que he hecho, es una pena.


Subo unas fotos del margen y de esporas.


Datos recolecta:


17/09/16, Jalón de Cameros, La Rioja, 42º 12´58" N - 2º 29´22" W a unos 850 metros de altitud, sobre tallos de cardos. Herbario: RM-1349

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Hans-Otto Baral, 19-09-2016 11:28
Hans-Otto Baral
Re : Orbilia sp
Yes, now it's wonderful and clear!
Is it Cirsium or another genus?
Sorry, you wrote it, Onopordum.

Forgot to say that it is very impressive to see on your wonderful photo how the curvature of the spores gets reduced in the dead state!
Rubén Martínez-Gil, 19-09-2016 21:07
Rubén Martínez-Gil
Re : Orbilia sp

Gracias por su ayuda y comentarios, Zotto.


Rubén