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25-02-2023 18:36

Nectria
Elisabeth Stöckli

Bonsoir, Trouvé sur un tronc de Salix recouvert

05-07-2025 12:38

Pyrenomycetous fungi on dead Juniperus twig
Åge Oterhals

I found this pyrenomycetous fungi in pine forest o

01-06-2025 09:37

Octospora
Charles Aron Charles Aron

Hi All, I found this Octospora growing with liver

06-07-2025 19:36

Auda con esta
Castillo Joseba Castillo Joseba

me mandan el material de Galicia (España) recolec

07-07-2025 19:22

Ascomycota
David Chapados David Chapados

Hi,Does anyone know what could this anamorph be?ht

02-07-2025 18:45

Sur Osmunda regalis
Elisabeth Stöckli

Bonsoir,Sur feuilles d'Osmunda regalis (Saulaie),

04-07-2025 20:12

Black thready anamorph
Josep Torres Josep Torres

Hello.A fungus growing on the surface of a trunk o

20-06-2025 08:33

Ascomycete on a herbaceous stem.
Josep Torres Josep Torres

Hello.Small, blackish, mucronated surface grains s

28-06-2025 16:00

Salvia leaf parasite
Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

04-07-2025 12:43

En tallo de herbaceas 1102
Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

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Massariosphaeria sp.
Maren Kamke, 25-07-2015 07:55
Maren KamkeHi everybody,
I thought of M. typhicola, but the ascospores are smaller and the sporesurface is smooth, it is rough at M. typhicola.

Dates:
On poaceae-species, immersed in substrate, 0,25 mm with ostiole, wall of the perithecia about 20 to 25 µm. Spores 5-7-septate, mostly 5 to 6, sometimes 7-septate, with transverse septa only. Colour yellowbrown, with slimesheat, young hyalin. According to 5 or 6 septa, is the 3. oder 4. cell slightly enlarged, messurement (24-30,5) 26,4 x 5,85 (5-6,5) µm, Q 4,5. Asci 107x8, 8-spores.


Regards, Maren


Pictures: http://www.pilzforum.eu/board/thema-massariosphaeria-frage