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15-09-2025 14:40

Nicolas VAN VOOREN Nicolas VAN VOOREN

Hello.I'm searching for a digital copy of the seco

14-09-2025 22:16

Philippe PELLICIER

Apothécies petites jusquà 3 mm, oranges, avec de

13-09-2025 14:01

Thomas Flammer

dark brown apothecia, splitIKI-Spores biguttulate

10-09-2025 17:18

Blasco Rafael Blasco Rafael

Hola, encontre este estiercol de vaca estos apotec

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

10-09-2025 23:53

Marcel Heyligen Marcel Heyligen

Found on Robinia pseudoacasia together with Diapor

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

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Schizoxylon alboatrum?
M Jonathan, 14-12-2015 05:07
M JonathanI found this nice fungus on twig on ground, in Ottawa ontario, 13 december 2015. 

Produce asci that measure up to 400µ long, that contain 8 spores, the total length of the spore was impossible to achieve as they tend to break out in smaller portion out of the ascus, but seem to measure about the same lenght as the ascus, and measure 2µ wide.

The paraphyse are simple, measuring 1µ wide.

Interestingly the asci have a tendancy to break or burst near the base, (about 80-90% of time).

My hesitation is the apical apparatus, wich I can't find good picture of to compare it with mine.

 https://c1.staticflickr.com/1/778/23735054875_a70a1600ba_b.jpg

Regards

Jonathan M
Hans-Otto Baral, 14-12-2015 09:45
Hans-Otto Baral
Re : Schizoxylon alboatrum?
Hi Jonathan

it is more a problem that the asci break so easily. But long asci often do.
The ascus apex looks typical for the family, look in Sherwood's 1977 etc. articles (Mycotaxon).

Did you test Lugol? most ostropales react hemiamyloid (red) for the entire hymenium, and maybe blue at the ascus apex.

Zotto
M Jonathan, 14-12-2015 15:51
M Jonathan
Re : Schizoxylon alboatrum?
Thank you! unfortunatly I only have Melzer right now, but I can check the Lugol reaction next time I go to the lab.

Regards

Jonathan M