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13-07-2020 12:08

Juuso Äikäs

Yesterday I found some Pulvinulas growing on clay-

13-07-2020 13:17

Blasco Rafael Blasco Rafael

Hola, a ver si me pueden ayudar con esta muestra d

07-07-2020 13:34

Sergey Markov

I found this peziza sp. on loamy soil - on the gro

12-07-2020 16:30

Gilbert MOYNE

Bonjour, Une récolte qui me pose quelques probl

13-07-2020 12:06

Garcia Susana

Hola, Me gustaría saber vuestra opinión acerca

12-07-2020 17:42

Juuso Äikäs

I found a lot of these growing gregariously on dea

12-07-2020 21:17


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

12-07-2020 19:23

Andgelo Mombert Andgelo Mombert

Bonsoir, Sur bois mort décortiqué, immergé dan

09-07-2020 00:39

Valencia Lopez Francisco Javier

Hola a todosEncontré este curioso ascomycete a me

10-07-2020 17:50

Garcia Susana

Hola, Me gustaría vuestra ayuda para identificar

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Pyreno on Alnus glutinosa
Enrique Rubio, 29-12-2015 00:41
Enrique RubioHi to everybody

I need your help with this fungus that forms superficial black, lageniform, ostiolate perithecia, up to 0.45 mm high,  0.2 mm broad with necks 0.1 mm in diameter, singly or clustered in groups of several perithecia covered by a copious whitish or greenish blue, aerugineous subiculum. Non stromatic or very inconspicually stromatic.

The irregulary disposed clusters covering several cm on rotten wood of Alnus glutinosa at the Botanical garden of Gijón, at the north of Spain at the sea level.

The narrowly clavate asci, 8-spored but four of them aborted, 44-58 x 4-5 microns, have an strongly refringent apical apparatus not really Melzer positive. The ascospores are hyaline, smooth, biguttulate, one-celled, 4.9-5.8 x 2.6-3.1.

I don not have any good track, but perhaps you could help me?

Thanks in advance

  • message #39852
  • message #39852
Jacques Fournier, 29-12-2015 09:06
Jacques Fournier
Re : Pyreno on Alnus glutinosa
Hola Enrique,
nice find! I would suggest to dig into Boliniales but I have no genus to propose.
Amplistroma might be considered too but it has consistently globose ascospores.
Can you check the presence of a germ pore on ascospores? They are minute and hyaline, it might be challenging.
Good luck,
Enrique Rubio, 29-12-2015 11:09
Enrique Rubio
Re : Pyreno on Alnus glutinosa

Hi Jacques

With the kind permission of Jesús Linde, allways the collector, I could send you a part of this collection together with A. michelianum. Do you like it?

Thanks a lot, as allways!


PD. I couldn't see any germ pore at the ascospores

Jacques Fournier, 29-12-2015 12:15
Jacques Fournier
Re : Pyreno on Alnus glutinosa
yes, great!