Accès membres

Mot de passe perdu? S'inscrire

23-11-2010 00:50

Miguel Ãngel Ribes Miguel Ángel Ribes

Good night I have a new ascomycete on Echinospa

21-11-2010 11:33

Alain GARDIENNET Alain GARDIENNET

Bonjour à tous, Certains le savent parmi vous,

19-11-2010 00:33

Alain GARDIENNET Alain GARDIENNET

Bonsoir, Avez-vous déjà rencontré un coelomyc

18-11-2010 00:38

Miguel Ãngel Ribes Miguel Ángel Ribes

Hi again This is a small ascomycete of 3-4 mm,

17-11-2010 21:20

Miguel Ãngel Ribes Miguel Ángel Ribes

Good night I caught this little mushroom, less

17-11-2010 13:49

PASCAL DUBOC

Bjr, j'ai trouvé cet asco en longue fructifica

16-11-2010 23:32

Björn Wergen Björn Wergen

Hello, I have some problems with these two find

16-11-2010 19:46

Pérez del Amo Carlos Manuel Pérez del Amo Carlos Manuel

Hola amigos. Se trata de mi primera intervención

15-11-2010 15:08

Yannick Mourgues Yannick Mourgues

Salut à tous. Comment traduire le terme "teret

15-11-2010 13:44

Guy Garcia

Chers tous, Voici une photo d'une ancienne récol

« < 1396 1397 1398 1399 1400 > »
Lachnum aff longipilosum
Miguel Ángel Ribes, 23-11-2010 00:50
Miguel Ãngel RibesGood night

I have a new ascomycete on Echinospartum horridum, less than 0.5 mm, with the hymenium cream-pink and white hairs. Small asci with croziers and IKI +. Cylindrical spores. Paraphyses lanceolate, plenty of VBs and longer than asci. Hairs cylindrical, septate, granular and not thickened at the apex, up to 100 microns long.
The spore measures at 1000x in water are:
(7.8) 8.6 - 12.1 (12.3) x (0.9) 1.1 - 1.5 (1.7) microns
Q = (5.6) 6.4 - 9.7 (10.4), N = 19
Me = 10.1 x 1.3 microns, Qe = 8

Measurements of asci at 1000x in water are:
(34.6) 37.2 - 42.2 (42.8) x (3.9) 4.4 - 5.1 (5.7) microns
N = 15; Me = 39.6 x 4.7 microns

With Baral key (subkey 3) I arrive to L. longipilosum.

Thank you very much,
  • message #13452
Miguel Ángel Ribes, 23-11-2010 00:52
Miguel Ãngel Ribes
Re:Lachnum aff longipilosum
Small asci with croziers and IKI+
  • message #13453
Miguel Ángel Ribes, 23-11-2010 00:53
Miguel Ãngel Ribes
Re:Lachnum aff longipilosum
Croziers
  • message #13454
Miguel Ángel Ribes, 23-11-2010 00:53
Miguel Ãngel Ribes
Re:Lachnum aff longipilosum
Cylindrical spores
  • message #13455
Miguel Ángel Ribes, 23-11-2010 00:55
Miguel Ãngel Ribes
Re:Lachnum aff longipilosum
Long lanceolate paraphysis protruding and with abundant VBs.
  • message #13456
Miguel Ángel Ribes, 23-11-2010 00:56
Miguel Ãngel Ribes
Re:Lachnum aff longipilosum
More protruding paraphysis in congo red
  • message #13457
Miguel Ángel Ribes, 23-11-2010 00:57
Miguel Ãngel Ribes
Re:Lachnum aff longipilosum
Hairs
  • message #13458
Miguel Ángel Ribes, 23-11-2010 00:58
Miguel Ãngel Ribes
Re:Lachnum aff longipilosum
More hairs
  • message #13459
Miguel Ángel Ribes, 23-11-2010 00:59
Miguel Ãngel Ribes
Re:Lachnum aff longipilosum
And finally medular excipulum
  • message #13460
Hans-Otto Baral, 23-11-2010 09:31
Hans-Otto Baral
Re:Lachnum aff longipilosum
Dear Miguel

the micros acutally are very close to longipilosum or elongatisporum, but the macro (rose hymenium) and substrate (I feel it is bark) are quite strange. The two species are strictly graminicolous as far as we presently know.
Is the rose hymenium perhaps a result of oxidation of the VBs? It is difficult to give an advice what to look at, your data are quite complete. IKI+ means blue?

perhaps something new. Is it from southern Spain?

Zotto
Miguel Ángel Ribes, 23-11-2010 17:25
Miguel Ãngel Ribes
Re:Lachnum aff longipilosum
Dear Zotto

Echinospartum is a small spinose shrub (erizón o cojín de monja, in spanish), not very near to a grass, I think.
About hymenium, it seems pink from young (I attach a new photo).
Yes, IKI + is blue. It is from northen Spain, Pyrenees, Huesca.

Thank you
  • message #13462
Hans-Otto Baral, 23-11-2010 17:43
Hans-Otto Baral
Re:Lachnum aff longipilosum
Thanks! Looks like a new species. I cannot see a stalk on the macrophotos. Are the apothecia completely sessile?

Zotto
Miguel Ángel Ribes, 23-11-2010 17:56
Miguel Ãngel Ribes
Re:Lachnum aff longipilosum
I think not completely sessile. In the first image, the upper one has a very small stalk. I am going to send to your private some big images.

Thank you, Zotto.

Miguel Ángel