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04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

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

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

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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Karstenia posible
Blasco Rafael, 09-03-2015 09:57
Blasco RafaelHola, a ver si me pueden ayudar con esta muestra, pensaba en Karstenia pero no encuentro ninguna que sea de Pinus.
Recogida en rama caida y muy degradada de Pinus sylvestris.
0,52--0,65 de diametro.
Parafisis x1,5, con el apice un poco mas grueso x2.se ve alguna parafisis suelta con el apice redondeado que llega  a 5--6. 
esporas de 9--12 x 1,5--2,4  (15x2,6).
ascas 40--52 x 5--6.
IKI  J -  fuerte reaccion en la preparacion.
Un saludo
Rafael
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Gernot Friebes, 09-03-2015 10:12
Re : Karstenia posible
Hi Rafael,

this looks like Cryptodiscus pini.

Best wishes,
Gernot
Hans-Otto Baral, 09-03-2015 10:17
Hans-Otto Baral
Re : Karstenia posible
Yes, this is Cryptodiscus pini. A nice but rarely reported species differening from C. foveolaris in the dark margin and occurrence on conifer wood.

I assume it is montaneous, was this the case in yours?

You mean the IKi reactio is strong? It is, and when you pretreat with KOH the hymenium mst react deep blue.

see also here: http://www.ascofrance.fr/search_forum/9264

Zotto
Blasco Rafael, 09-03-2015 10:21
Blasco Rafael
Re : Karstenia posible
Gracias Gernot y zotto.
Si estan recogidos a unos 1400 m, Benasque, pirineo
En cuanto termine la muestra que estoy mirando pruebo el pretratado con KOH
Un saludo
Rafael
Björn Wergen, 09-03-2015 23:21
Björn Wergen
Re : Karstenia posible
I had this species 2 month ago sent from Austria, 530m.

regards
björn
Hans-Otto Baral, 09-03-2015 23:33
Hans-Otto Baral
Re : Karstenia posible
I have 4 collections and they are between 1000 and 1400 m (S-France and near Madrid)