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08-11-2025 00:29

Francois Guay Francois Guay

I found this species in Quebec, Canada, on herbace

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

08-11-2025 09:15

Michel Hairaud Michel Hairaud

Bonjour, Pouvez vous m'aider à identifier ce Mol

08-11-2025 12:10

Elisabeth Stöckli

Bonjour, Trouvé sur tiges mortes de Rubus (ronce

06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

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Possible Didymella sp. on Juncus effusus
Peter Thompson, 03-08-2013 16:04
Hello Everyone,

I have found a sample of an immersed ascomycete with microscopy which seems to resemble that from the genus Didymella.

I have attached a photograph of the host with the immersed fruit bodies and an image of the microscopy.

From a key to Didymella in Mycotaxon 43:374, 1992 my sample seems to key out to Didymella glacialis in Carex, however I also notice that there is a D. glacialis var. juncicola mentioned in Annales Mycologici 15 (1-2): 106, 1917. The var. juncicola does not feature in the more recent Mycotaxon key.

I wonder if anyone has experience of this genus and could possibly advise me?

Thank you,
Best Wishes,
Peter.
  • message #24665
  • message #24665