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17-02-2026 09:41

Maren Kamke Maren Kamke

Good morning, I found a Diaporthe species on Samb

17-02-2026 13:41

Isabelle Charissou

Bonjour, est-ce que quelqu'un pourrait me fournir

03-02-2013 19:50

Nina Filippova

Good time), I've compared this specimen with the

16-02-2026 18:34

Thierry Blondelle Thierry Blondelle

Bonjour,La micro de cet anamorphe de Hercospora su

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

16-02-2026 21:25

Andreas Millinger Andreas Millinger

Good evening,failed to find an idea for this fungu

16-02-2026 17:14

Joanne Taylor

Last week we published the following paper where w

16-02-2026 16:53

Isabelle Charissou

Bonjour, quelqu'un pourrait-il me transmettre un

16-02-2026 00:05

Maren Kamke Maren Kamke

Good evening, I am looking for the following pape

16-02-2026 11:53

Joeri Belis

between leaf litter on twig in young salix growth.

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Discostroma on Rubus idaeus
Björn Wergen, 24-05-2013 18:09
Björn WergenHi there,

here is another pyrenomycete growing on Rubus idaeus stems with small, black perithecia, embedded into the surface and covered with clypeus-like structures (Clypeus?). Perithecia are characteristicly amber coloured inside, as I have seen it in species of Discostroma.

The species has 3septate spores of 12-15x4-4,5µm size, hyalin, smooth. Asci uniseriate, unitunicate, IKI- (or very very weak +).

I have tried keys for Discostroma but had no success with it, as I came to "D. callistemonis", which has a different substrate :(



Thanks in advance!

All the best
björn
  • message #23613
  • message #23613
  • message #23613