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01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

31-10-2025 09:19

Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

30-10-2025 03:53

Ethan Crenson

Hi all,  I would like an opinion on whether this

09-08-2025 13:13

Maria Plekkenpol Maria Plekkenpol

Hello,Yesterday I found these on burnt soil. Apoth

29-10-2025 19:02

Castillo Joseba Castillo Joseba

De la pasada semana en rama posiblemente de hayaPi

25-11-2016 13:54

Stephen Martin Mifsud Stephen Martin Mifsud

Hi, I found numerous seeds of Washingtonia robusta

28-10-2025 22:22

Bernard Declercq Bernard Declercq

Hello.I'm searching for the following paper:Punith

27-10-2025 19:51

Peter Welt Peter Welt

Who has this article? Doveri, F. 2007. Sporormiel

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

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Pyrenopeziza urticicola?
François Bartholomeeusen, 02-06-2014 19:35
Dear all,

FRB found on dead stems of urtica, moist basis between grass and moss.
See photos in attached document.
Macro: gray-blue with whiter edge, young inwardly curled later spread to flat disk.
Micro:  asci 8-spored, long cylindrical, apical ring J +
          Spore: long cylindrical slightly clavate, 8.58 to 10.98 x 2.12 to 2.82 uM Q = 3.85              Paraphyse: long cylindrical
I think it 's Pyrenopezia urticicola (Ellis and Ellis p 442.), But these spores are slightly larger. What do you think?

Sincerely,

François
  • message #29584
  • message #29584
  • message #29584
  • message #29584