Accès membres

Mot de passe perdu? S'inscrire

18-02-2016 02:22

Lothar Krieglsteiner Lothar Krieglsteiner

.. found today in the Algarve on old dog feces. C

13-02-2016 15:45

Simon Kennedy

Does anyone know of any English language keys to H

17-02-2016 16:26

Camille Mertens

Bonjour à tous.Récolté sur Rubus fructicosus le

17-02-2016 20:06

Garcia Susana

Hola:He encontrado estos ascomas creciendo sobre m

15-02-2016 12:10

Castillo Joseba Castillo Joseba

A ver si hay alguna sugerrenciaSaludosJoseba

17-02-2016 10:29

SYLVAIN ARD

Bonjour (hello)Quelqu'un pourrait-il me passer SVP

17-02-2016 09:14

Vasileios Kaounas Vasileios Kaounas

Found 16-02-16, in cow dung.Diameter 2-5 mm.asci 1

17-02-2016 00:34

Lothar Krieglsteiner Lothar Krieglsteiner

... also near Monchique, found today. I think the

16-02-2016 22:02

Castillo Joseba Castillo Joseba

Me mandan de Galicia  esta especie, parece muy vi

14-02-2016 01:43

Lothar Krieglsteiner Lothar Krieglsteiner

the bright yellow stipitate apothecia remind of a

« < 908 909 910 911 912 > »
Densely Grouped Black Ascomycete on Decorticated Wood
Peter Thompson, 18-03-2017 12:20
Hello Everyone,

I have been considering a black ascomycete which grows densely grouped on a decorticated branch of Acer pseudoplatanus. The fruit bodies resemble those of Bertia moriformis, but smaller and with central ostioles. I can not find a suitable genus for the characteristics observed.

The spores are initially hyaline, 4- 6-guttulate, 1-septate and significantly constricted there. Later, they become 3-septate and yellowish brown, without guttules. Their sizes range from 22.5 - 27.5 x 5.5 - 6.0 um.

The 8-spored asci contain two rows of spores and their tips bule faintly in Melzers.

There are no hairs.

I have attached a photo of the fruit bodies, plus images of the spores, asci, excipulum and ostiole.

I wonder if anyone has any ideas?

Thank You,
Peter Thompson.
  • message #48007
  • message #48007
  • message #48007
  • message #48007
  • message #48007
  • message #48007