11-04-2021 11:40
BERNARD CLESSE
Bonjour à toutes et tous,Avec cette écologie (ai
10-04-2021 16:53
William Slosse
Hello everyone,recently I found a large growing pl
10-04-2021 20:12
Andgelo Mombert
Bonsoir, Un magnifique Nectria s.s. (?) sur branc
11-04-2021 12:09
Castillo Joseba
Me mandan el material de Galicia, recolectada en
10-04-2021 20:07
Sergey MarkovI found today small black pycnidia in the cuticle
09-04-2021 07:57
Josep Torres
Hola.Unas diminutas fructificaciones fotografiadas
10-04-2021 09:03
BERNARD CLESSE
Bonjour à toutes et tous,Que pensez-vous de cette
08-04-2021 21:17
Pauline. PennaHello EveryonePlease could you help me with this s
With big spores? [Fenestella fenestrata]
Mirek Gryc,
07-04-2021 11:03
Hello everyone.
Substrate can not be able to determine so I place photos.
Is anyone able to help me specify the genre?
Spores: Me = 58.1 × 17.3 um
Regards
Mirek
Norbert Heine,
07-04-2021 12:01
Re : With big spores?
Hello Mirek,
sorry that I can't help you with the wood. But your species should be Fenestella fenestrata. I found it some years ago on small twigs of Quercus. Here are two pictures that you can compare.
Sincerely, Norbert
Mirek Gryc,
07-04-2021 12:25
Re : With big spores?
Hi Norbert
Both macroscopic and spores are very similar so I think you're right about the genre.
I did not know this species so far, I read a little about him in the literature to get more data, although it will only be pure formality because your type is very likely :)
thank you very much
Mirek
Both macroscopic and spores are very similar so I think you're right about the genre.
I did not know this species so far, I read a little about him in the literature to get more data, although it will only be pure formality because your type is very likely :)
thank you very much
Mirek
Viktorie Halasu,
07-04-2021 14:27
Re : With big spores?
Hi Mirek,
I'm not sure if the silver epidermis is ok for it, but Alnus has such a triangular pith.
Viktorie
I'm not sure if the silver epidermis is ok for it, but Alnus has such a triangular pith.
Viktorie
Alain GARDIENNET,
07-04-2021 16:01
Re : With big spores?
The answer is probably here : https://www.ingentaconnect.com/content/nhn/pimj/2020/00000044/00000001/art00001
Norbert Heine,
07-04-2021 17:37
Re : With big spores?
Thank you, Alain, for the link to this fantastic publication! I didn't know it until now. And I see there is one species named after you as its collector - very nice!
Norbert
Hermann Voglmayr,
08-04-2021 10:55
Re : With big spores?
Yes, also the bark looks like Alnus. Which is the type host of Fenestella fenestrata sensu stricto, for which the spores (large size, dark colour, subhyaline apiculi, very dense muriform septation) also fit well.
For a detailed description of Fenestella fenestrata sensu stricto, see https://www.sciencedirect.com/science/article/pii/S0166061617300489
Hermann
Alain GARDIENNET,
08-04-2021 11:48
Re : With big spores?
Hi,
And perhaps could Norbert check the one on Quercus to compare to F. parafenestrata ?
Hermann, when we meet a such fungus on Quercus, is it possible to distinguish F. fenestrata end F. parafenestrata basing to morphology ?
All the best,
Alain
Hermann Voglmayr,
08-04-2021 12:14
Re : With big spores?
Hi Alain,
ya, that's difficult... Spores of F. fenestrata are in mean larger than those of F. parafenestrata, and appear to be more densely septate (i.e. the cells appear smaller). But one also has to say that these species are rarely found (and probably uncommon), and therefore we didn't have enough collections at hand to fully evaluate the intra- and interspecific variability within these two species.
As with many species, reliable species identification may only be possible with sequence data in intermediate collections not fully showing these differences. And, there may be additional undescribed species around....
Best,
Hermann
Mirek Gryc,
08-04-2021 13:29
Re : With big spores? [Fenestella fenestrata]
Hello everyone again and thank you for very valuable comments.
Yesterday evening I read the article indicated by Alain and I came to the conclusion that this must actually be F. Fenestrata.
However, she wondered the small width of spores in my collection Although the author of the quoted publication mentioned that the collections were studied strongly mature.
The comments contained in the article indicated by Hermann, explain my fears. It follows that the width of spores varies significantly depending on the tested collection. In that case, the width of my spores is within the right range.
Once again, thank you very much and greetings to all.
Mirek
Yesterday evening I read the article indicated by Alain and I came to the conclusion that this must actually be F. Fenestrata.
However, she wondered the small width of spores in my collection Although the author of the quoted publication mentioned that the collections were studied strongly mature.
The comments contained in the article indicated by Hermann, explain my fears. It follows that the width of spores varies significantly depending on the tested collection. In that case, the width of my spores is within the right range.
Once again, thank you very much and greetings to all.
Mirek