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13-09-2025 14:10

Wim de Groot

We found this hymenoscyphus on rubus fruticulosis.

13-09-2025 15:43

Edmond POINTE Edmond POINTE

Bonjour Christian,J'ai trouvé deux spores ressemb

11-09-2025 16:57

Jason Karakehian Jason Karakehian

Our revision of Marthamycetales (Leotiomycetes) is

13-09-2025 14:01

Thomas Flammer

dark brown apothecia, splitIKI-Spores biguttulate

10-09-2025 23:53

Marcel Heyligen Marcel Heyligen

Found on Robinia pseudoacasia together with Diapor

10-09-2025 17:18

Blasco Rafael Blasco Rafael

Hola, encontre este estiercol de vaca estos apotec

02-09-2025 11:34

Thomas Læssøe

https://svampe.databasen.org/observations/10527903

07-09-2025 08:19

Josep Torres Josep Torres

Hello.Tiny pinkish discomycetes, photographed and

09-09-2025 12:07

Edmond POINTE Edmond POINTE

Bonjour amis mycologues,Trouvé sur moquette de ch

08-09-2025 19:07

ruiz Jose

Hola me pasan esta recolecta en madera de fraxinus

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Small disco on sclerotia? on decorticated wood
Masanori Kutsuna, 11-11-2014 00:47
Hello everyone,

I found small discos on sclerotia? on decorticated wood last weeks in Japan.

Sclerotioid body on the surface (or semi-immersed) of rotten, decorticated, trunks of Quercus sp., 1-3 mm. long.
Asci 97-125 x 6.2-8, I-.
Paraphyses branched, curved at the tip
Ascospores ellipsoid, 8.3-14.3 x 2.2-3.0


bar = 100 microns (section1) / 10 microns (others)


Is this a parasitic disco on sclerotia of other species?


Thanks
Masanori Kutsuna

  • message #32048
  • message #32048
  • message #32048
  • message #32048
  • message #32048
  • message #32048
Hans-Otto Baral, 11-11-2014 09:36
Hans-Otto Baral
Re : Small disco on sclerotia? on decorticated wood
My first idea was Psilachnum lanceolatoparaphysatum, because the apos sit there also on a black stroma, but that is an anamorph. Only the ascospores are similar otherwise you have a totally different species. No idea of the genus.

The apos are only ca. 200 µm diam?
Masanori Kutsuna, 12-11-2014 00:22
Re : Small disco on sclerotia? on decorticated wood
Thank you for your comment, Zotto.

Yes, The apos are about 200-500 µm diam.

Kutsuna