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Mot de passe perdu? S'inscrire

22-08-2018 19:29

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos. Subo unas fotos de unos apotecios q

22-08-2018 15:58

Elisabeth Stöckli

Bonjour, sur chaumes secs de Deschampsia à 2'66

24-08-2018 19:21

Johan Myhrer

On a very wet small old leaf under a Salix cinerer

24-08-2018 08:42

Angel Pintos Angel Pintos

Good morning, yesterday a friend sent me these pho

21-08-2018 14:55

Zoltan Lukacs Zoltan Lukacs

Hi, Jafnea semitosta comes out again, it very cli

21-08-2018 18:42

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Que pensez-vous de cette

22-08-2018 12:36

Castillo Joseba Castillo Joseba

Del 11 al 14 de Octubre de 2018 se celebra el VII

11-08-2018 19:10

Sven Heinz Sven Heinz

Hello together, does anyone have any idea what th

20-08-2018 22:51

Mlcoch Patrik Mlcoch Patrik

Hi, I would like help with determination.Perithec

21-08-2018 13:18

Castillo Joseba Castillo Joseba

De ayer en bosque de fagus Me pareció una Hypocr

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White Scutellinia??
Rubén Martínez-Gil, 22-08-2018 19:29
Rubén Martínez-Gil

Hola a todos.


Subo unas fotos de unos apotecios que encontramos el sábado pasado, sobre madera medio sumergida en un arroyo de montaña, a unos 1.500 metros de altitud.


Esporas multigutuladas de 18,5-20,5 x 12-13 micras, ornamentadas con verrugas alargadas o pequeñas estrías.


Paráfisis sin color en su interior.


Pelos de hasta 1.450 micras de longitud, de base multi-furcata.


Pensé en alguna forma blanca de Scutellinia, qué les parece?


Gracias por su ayuda.


Rubén

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Marja Pennanen, 22-08-2018 19:45
Re : White Scutellinia??
Hi Ruben,

this looks like Trichophaeopsis bicuspis. I did not check weather the microscophy fits...

Marja
Viktorie Halasu, 22-08-2018 20:31
Viktorie Halasu
Re : White Scutellinia??
Hello Rubén,

interesting collection. On the first photo I see (or want to see) some orange-ish tone in hymenium, not purely white. Also the hairs and spores look IMHO better for albinotic Scutellinia than, say, Paratrichophaea. I'd consider something from the S. crinita group, perhaps even crinita, as the ornamentation is rather low and the hairs too look macroscopically like this species (palisade of short hairs and among them much longer hairs, evenly spaced). What is the Q ratio of spores? 

Viktorie
Malcolm Greaves, 23-08-2018 11:09
Malcolm  Greaves
Re : White Scutellinia??
I would agree with Viktorie that is looks more like an albino form of S crinita.
Mal
Nicolas VAN VOOREN, 23-08-2018 19:18
Nicolas VAN VOOREN
Re : White Scutellinia??
Beautiful. And I agree this is a Scutellinia species that missed to synthesize its carotenoid pigments :)
Rubén Martínez-Gil, 26-08-2018 01:32
Rubén Martínez-Gil
Re : White Scutellinia??

Gracias por su ayuda.


Rubén