Accès membres

Mot de passe perdu? S'inscrire

24-11-2025 18:17

Hymenoscyphus sp
ruiz Jose

Hola en madera, quizás de alnus. Esporas(12.1) 12

24-11-2025 15:23

Octospora similis auf Bryum caespiticium var. badium
Arnold Büschlen

Hallo, auf einer offenen Kiesfläche am Rande ein

18-11-2025 18:26

Literature search
David Malloch David Malloch

I am trying to locate the article, Müller, E. 195

23-11-2025 11:16

Allophylaria on Geum urbanum
Bohan Jia

Hi,  I found small discs growing on dead stem of

21-11-2025 10:56

Ascomycete on Humulus
Christopher Engelhardt Christopher Engelhardt

Very small (~0,5 mm) white ascos, found yesterday

21-11-2025 15:22

asco 21-11-25
Vasileios Kaounas Vasileios Kaounas

Found in moss, forest with Pinus halepensis. Dime

21-11-2025 10:47

Mollisia sp.
François Freléchoux François Freléchoux

Bonjour,Peut-être Mollisia palustris ?Trouvée su

21-11-2025 10:50

Orange small asco?
Mirek Gryc

Hello Please help me identify this little asco.It

21-11-2025 11:52

Sepultaria arenicola
Jean-Luc Ranger

Bonjour à tous, on voit toujours 2 espèces areni

29-06-2016 18:06

Encoelia
Elisabeth Stöckli

Bonjour,Trouvé sur branches mortes cortiquées de

« < 1 2 3 4 5 > »
Didymella applanata? Small black spots on perennial stem of blackberry
Wim de Groot, 10-01-2025 11:24
We found this small black spots on perennial stem of blackberry with an interesting microscopy. I would be very thankfull for suggestions which species we have here. What strikes me is the green-coloured ascus (in water). Or is this an artifact? Maybe Didymella applanata? In pictures of that species I see small asci whereas my specimen has very wide asci.
  • message #81250
  • message #81250
  • message #81250
  • message #81250
  • message #81250
Björn Wergen, 12-01-2025 16:17
Björn Wergen
Re : Didymella applanata? Small black spots on perennial stem of blackberry
Hi,
this should be compared with Ploettnera exigua. The greenish parts of the fruitbody are typical, you can alos check in IKI, ascus porus should react red. 

regards
björn
Wim de Groot, 12-01-2025 16:56
Re : Didymella applanata? Small black spots on perennial stem of blackberry
Hi Björn,

I cannot find information of this species on this forum or by a google search. Do you have a link to Ploettnera exigua?

Regards, Wim de Groot
Viktorie Halasu, 14-01-2025 01:51
Viktorie Halasu
Re : Didymella applanata? Small black spots on perennial stem of blackberry
Hello,
try here: https://ascomycete.org/Portals/0/Archives/AscomyceteOrg%2003-01%2019-23.pdf or on Zotto's googledisk.
Viktorie