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13-06-2025 09:41

Aquatic ascomycete.
Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

21-07-2025 19:22

Orbilia nemaspora ...or aurantiorubra?
Ethan Crenson

Hello all,  Here is an Orbilia found by a friend

14-07-2025 11:20

Une hélotiale sur Sphagnum palustre
Michel Hairaud Michel Hairaud

Bonjour, Voici une espèce de  (?) Hyaloscyphace

18-07-2025 23:03

Help with some conidia.
Josep Torres Josep Torres

Hello.Fruitings between 51 and 130 microns in tota

17-07-2025 11:55

Una para ID 833
Castillo Joseba Castillo Joseba

De ayer en bosque de hayas y abetos, en tieraEjemp

16-07-2025 17:34

Sphaerulina cornicola versus Septoria cornina
Bernard Declercq Bernard Declercq

Hello,I have trouble distinguishing above mention

15-07-2025 13:27

literature request
Angel Pintos Angel Pintos

Hello, does anyone have access to the following ar

16-01-2023 21:31

Troposporella fumosum => Troposporella monilipes
Riet van Oosten Riet van Oosten

Hello, Nearby the find of Calycina claroflava on

14-07-2025 17:55

Hypoxylon cf ticinense
Yanick BOULANGER

BonjourAutre dossier laissé en suspendJe viens de

14-07-2025 11:17

Jackrogersella minutella VS Hypoxylon cohaerens var. microsporum
Yanick BOULANGER

BonjourJ'ai un dossier Jackrogersella qui est rest

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Menispora ?
Gérard MELARD, 23-04-2021 19:10
Hello to all,
Here is a harvest realized on Ulmus branch:
- Black, diffuse, erumpent and spherical perithecia, some with a well developed neck
- Asci 80-90 x 10 octospores biserial, no reaction to Melzer observed
- Filiform paraphyses with rounded apex, refractive content
- Spindle-shaped hyaline spores, 18-20 x 5.5-6, 1-3 septa, 1-2 guttules per locule
- Anamorph not observed

I came to the hypothesis that it could be a Zignoella and therefore perhaps Menispora caesia Preuss 1851? ... but I lack documentation on the subject.


Thank you in advance for your opinions or suggestions,
Sincerely,
Gérard


 

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Nick Aplin, 25-04-2021 21:35
Re : Menispora ?
Salut Gérard,

I think this might be Massarina rubi (which probably belongs in the genus Brunneofusispora but the combination hasn't yet been published). The 3-septate spores are in my opinion overmature.

Amités,
Nick

Gérard MELARD, 28-04-2021 22:54
Re : Menispora ?
Thank you Nick for the suggestion, I will look in that direction.
Best regards,

Gérard

Gérard MELARD, 30-04-2021 22:36
Re : Menispora ?
Bonsoir,


Cette récolte a finalement été déterminée comme Lophiostoma vicinellum avec l'aide de Björn Wergen que je remercie beaucoup.
Bien cordialement,

Gérard