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10-03-2026 18:08

Orange discs on Arctium
Marc Detollenaere Marc Detollenaere

Dear Forum,On stems of Arctium, I found some downy

05-03-2026 10:07

White apothecia on pine cone
Hulda Caroline Holte

Hello, I found and collected this species growing

07-03-2026 13:06

Phaeohelotium parasulphuratus ?
éric ROMERO éric ROMERO

Bonjour tous, Sur cône d'épicea fortement imbu,

23-12-2025 08:27

Hymenoscyphus?
Josep Torres Josep Torres

Hello.Small, yellowish ascomata, with very short a

28-02-2026 11:05

Peziza
Yanick BOULANGER

Bonjour à tousLe 24/02/2026 à Montmacq, devant m

08-03-2026 14:05

Helvella lacunosa
Thierry Blondelle Thierry Blondelle

Bonjour à tous,Sur 3 récoltes supposées de H. l

07-03-2026 22:22

Volutella?
Josep Torres Josep Torres

Hello.Some very tiny conidiomes collected in the D

06-03-2026 17:51

Orbilia?
William Slosse William Slosse

Good evening all,On March 4, 2026, I found the fol

05-03-2026 16:30

Is this Diaporthe rudis?
François Bartholomeeusen

Dear forum members, On the 2nd of February 2026,

06-03-2026 09:41

indian literature
Alain GARDIENNET Alain GARDIENNET

Hi forum, I'm now looking for another reference c

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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