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15-12-2025 15:48

Danny Newman Danny Newman

Melanospora cf. lagenaria on old, rotting, fallen

15-12-2025 15:54

Johan Boonefaes Johan Boonefaes

Unknown anamorph found on the ground in coastal sa

15-12-2025 21:11

Hardware Tony Hardware Tony

Small clavate hairs, negative croziers and IKI bb

15-12-2025 07:09

Danny Newman Danny Newman

indet. Rutstroemiaceae sp. on unk. fallen leavesMc

15-12-2025 21:47

Pol Debaenst

Good evening, On 12/11/2025 I found ascomycetes w

15-12-2025 07:05

Danny Newman Danny Newman

Pseudosclerococcum golindoi (det: Zotto)near Cosb

15-12-2025 11:49

Danny Newman Danny Newman

ITS sequences from the following two collections B

15-12-2025 12:34

Danny Newman Danny Newman

indet. Rhytismataceae on oak leafnear Purchase Roa

09-12-2025 12:06

Andgelo Mombert Andgelo Mombert

Bonjour,Je recherche l'article concernant Hypobryo

13-12-2025 17:26

Buckwheat Pete

Hello everyone,I have a rather interesting ascomyc

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Dothideomycetes
Bernard Declercq, 06-03-2014 09:53
Bernard DeclercqHi to all,

I need your help for the determination of an old collection on a corticated branch of Prunus serotina:
Ascomata immersed, about 0,5 mm diam., in small groups, with elongated collectively erumpent beaks. Asci bitunicate, cylindrical, 8-spored, spores uniseriate, 130-150x10-12 µm. Spores ellipsoid, 15-21x7-10,5 µm, with (2)3(5) traverse septa and 1-3 segments with a diagonal septum, guttulate, smooth, pale olivaceous brown but with dark brown septa.
Your suggestions are welcome.

Bernard
  • message #28080
Björn Wergen, 06-03-2014 11:52
Björn Wergen
Re : Dothideomycetes
Hi Bernard,

this is Dyrithium lividum (in ascofrance, look also at Thyridium lividum).

regards,
björn
Bernard Declercq, 06-03-2014 19:09
Bernard Declercq
Re : Dothideomycetes
Vielen Dank, Björn.

Bernard