Accès membres

Mot de passe perdu? S'inscrire

07-12-2019 18:45

Laurens van der Linde Laurens van der Linde

Hallo i found the P atrovinosa with a slime specie

08-12-2019 11:01

Gilbert MOYNE

Bonjour, Un petit champignon que m'a remis Andgel

07-12-2019 22:22

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos. Subo unas fotos de un asco que hemo

06-12-2019 19:49

Edvin Johannesen Edvin Johannesen

Hi! Tiny, black, oblong stromata with pure white

27-11-2019 16:54

Rasmus Riis-Hansen Rasmus Riis-Hansen

Hi,I hope you can help med with this disc found a

05-12-2019 09:06

Valencia Lopez Francisco Javier

Hola amigosEstoy buscando este trabajo de la Errot

05-12-2019 19:35

Ibai Olariaga Ibarguren

Dear colleagues, I was wondering if anyone could

19-11-2019 18:05

Lothar Krieglsteiner Lothar Krieglsteiner

... under a twig of deciduous tree (likely Quercus

29-06-2011 22:52

Luc Bailly Luc Bailly

Encore trois ascos de la réserve naturelle domani

04-12-2019 13:01

Mirek Gryc

Hello everyoneI inform you in advance that this is

« < 1 2 3 4 5 > »
Niptera / Phaeohelotium ?
Miguel Ángel Ribes, 18-11-2010 00:38
Miguel Ãngel RibesHi again

This is a small ascomycete of 3-4 mm, on beech (Fagus sylvatica) that was inside a stream. Biseriate with croziers asci, and the following reactions:
* IKI: dark red
* KOH + IKI: dark blue
* Melzer: very weak dirty red
* KOH + Melzer: dark blue

Large 3-septate spores, sometimes with 2, slightly strangled in the septa:
(19.5) 20.4 - 25 (28.6) x (4.4) 4.7 - 5.8 (7.3) µm
Q = (3) 3.7 - 5 (5.6) ; N = 55
Me = 22.8 x 5.2 µm ; Qe = 4.4

Paraphyses thickened and pigmented at the apex.

With the keys I arrive to Niptera, Phaeohelotium, Bisporella or Cudoniella, but no more.

Thank you again,

Miguel Ángel
  • message #13394
Miguel Ángel Ribes, 18-11-2010 00:39
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
Asci with IKI
  • message #13395
Miguel Ángel Ribes, 18-11-2010 00:39
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
KOH + IKI
  • message #13396
Miguel Ángel Ribes, 18-11-2010 00:40
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
Melzer
  • message #13397
Miguel Ángel Ribes, 18-11-2010 00:40
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
KOH + Melzer
  • message #13398
Miguel Ángel Ribes, 18-11-2010 00:41
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
Spores
  • message #13399
Miguel Ángel Ribes, 18-11-2010 00:41
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
And finally paraphysis

Thank you,

Miguel Ángel
  • message #13400
Miguel Ángel Ribes, 18-11-2010 00:43
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
Sorry, I forgot, asci with water.
  • message #13401
Andreas Gminder, 18-11-2010 00:54
Andreas Gminder
Re:Niptera / Phaeohelotium ?
Hello,

looks very much like Ombrophila hemiamyloidea Baral & Gminder!
abstract: http://www.mycologia-bavarica.de/de/abstracts/abstracts_03.htm#baral_3

Especially the reddish reaction of the spora sheet is a important feature and it seems to be seen on your first picture.

best regards,
Andreas
Miguel Ángel Ribes, 18-11-2010 01:14
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
Hi Adreas

I have more spores with IKI, with the sheet, I though.
  • message #13403
Miguel Ángel Ribes, 18-11-2010 01:15
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
And one more.

Thank you Andreas

Miguel Ángel
  • message #13404
Miguel Ángel Ribes, 18-11-2010 01:18
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
And I have see the crystals of Zotto's draw, too.
  • message #13405
Andreas Gminder, 18-11-2010 01:22
Andreas Gminder
Re:Niptera / Phaeohelotium ?
Yepp, I see no reason why the determination should be wrong. But let's see if le maître has some arguments against it ....
I think new for spain.

best regards,
Andreas
Alain GARDIENNET, 18-11-2010 07:12
Alain GARDIENNET
Re:Niptera / Phaeohelotium ?
Hans-Otto Baral, 18-11-2010 08:50
Hans-Otto Baral
Re:Niptera / Phaeohelotium ?
No doubt :-)

The excipulum and therefore the apothecia should be somewhat gelatinous.

Miguel, did you collect it in Spain or Macaronesia? Please let me know the collection data to learn more about its distribution..
thanks!

Zotto
Miguel Ángel Ribes, 18-11-2010 09:46
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
Wonderful. Thank you Andreas, Alain, Zotto ... and Enrique

Yes Zotto, it was gelatinous. It is from Iberian Penísnula, not Macaronesia, but I do not know exactly the location. I did not pick up the species, just know that there was wood in a stream, I will ask the collector.

Thank you all again.
Miguel Ángel Ribes, 19-11-2010 01:17
Miguel Ãngel Ribes
Re:Niptera / Phaeohelotium ?
Hi Zotto

This is the chorology:

España, Burgos, Barbadillo de Herreros, Arroyo de Valcavado, 30T VM901703, 1.387 m, sobre madera de haya (Fagus sylvatica) sumergida en el agua de un riachuelo, 19-X-2010, leg. José Cuesta, MAR191010-635.

Miguel Ángel