Accès membres

Mot de passe perdu? S'inscrire

22-06-2009 22:57

Patellaria on Tilia
Martin Bemmann Martin Bemmann

Hello all, this is a today's find on a dead bra

22-06-2009 21:09

Helvella cupuliformis
Yannick Mourgues Yannick Mourgues

Bonsoir à tous. Voici une récolte d'Helvella

22-06-2009 21:01

longues spores
Jean Pierre Dechaume Jean Pierre Dechaume

Les amis, Je me demande si mon champignon est nor

21-06-2009 13:33

Belonioscypha paper
Luc Bailly Luc Bailly

Bonjour à tous, Quelqu'un pourrait-il m'envoyer

19-06-2009 10:28

Octospora sur place à feu
Bernard Declercq Bernard Declercq

Bonjour, un collègue un discomycète orange-roug

18-06-2009 21:27

Venturia? Sur Epilobium hirsutum.
Luc Bailly Luc Bailly

Bonjour à tous, Hier, j'ai récolté des feuil

17-06-2009 13:47

Phaeohelotium
Enrique Rubio Enrique Rubio

Hi to all This Phaeohelotium (¿) species grews o

16-06-2009 19:29

Question
René Dougoud

Cher Tous, Je souhaiterais que l'on puisse m'in

16-06-2009 08:48

Leptotrochila, Pseudopeziza
Milanka Tanaskovic

Bonjour à tous, Je cherche les clés des Leptotr

15-06-2009 09:21

Tubeufia?
Jean Pierre Dechaume Jean Pierre Dechaume

Sur bois mort trempant dans un ruisseau, avec des

« < 1472 1473 1474 1475 1476 > »
Patellaria on Tilia
Martin Bemmann, 22-06-2009 22:57
Martin BemmannHello all,

this is a today's find on a dead branch of Tilia. I found the same or similar one in January but could not end in a "terminating" determination. So here is another try:
  • message #8281
Martin Bemmann, 22-06-2009 22:59
Martin Bemmann
Re:Patellaria on Tilia
Asci are 134-142 x 16-21 µm:
  • message #8282
Martin Bemmann, 22-06-2009 23:00
Martin Bemmann
Re:Patellaria on Tilia
Spores 40-50x9-10 µm:
  • message #8283
Martin Bemmann, 22-06-2009 23:01
Martin Bemmann
Re:Patellaria on Tilia
The exudate is darkblue with a greenish touch:
  • message #8284
Martin Bemmann, 22-06-2009 23:02
Martin Bemmann
Re:Patellaria on Tilia
IKI reaction is negative:
  • message #8285
Martin Bemmann, 22-06-2009 23:04
Martin Bemmann
Re:Patellaria on Tilia
A detail of the asco-tip (again in IKI):
  • message #8287
Martin Bemmann, 22-06-2009 23:09
Martin Bemmann
Re:Patellaria on Tilia
and a view of the mess on my preparation (IKI) with paraphyses and a lot of "free oildrops"(?)

Is it P. crassispora?

Best regards, Martin
  • message #8291
Jacques Fournier, 23-06-2009 10:18
Jacques Fournier
Re:Patellaria on Tilia
Hi Martin,
I do not know P. crassispora. Where is it cited?
Why not merely P. atrata? Hawksworth and Kutorga (1997) gave the wide range of (20-) 30-45 (58) x (6-)7-9(12) µm for the spores of this taxon. You should also check the number of septa, they gave 5-11.
Best wishes,
Jacques
Martin Bemmann, 23-06-2009 10:39
Martin Bemmann
Re:Patellaria on Tilia
Hi Jaques,

P. crassispora is a nom.prov. in the Key on Zotto's DVD. One of the features that separates them from atrata is the colour of the exudate that should not be bluish at atrata but "blackish-olive-brownish".

Best regards,
Martin
Jacques Fournier, 23-06-2009 10:45
Jacques Fournier
Re:Patellaria on Tilia
yes I agree this bluish colour is unusual and not typical for atrata. Glad to learn that! Thanks!
jacques
Martin Bemmann, 23-06-2009 22:56
Martin Bemmann
Re:Patellaria on Tilia
Thank you Jacques for your confirmation of the exudate colour.
I never saw atrata as it should be...
That's why I was unsure and asked for comments.

Best regards, Martin