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12-04-2026 17:56

Hardware Tony Hardware Tony

Found on dead stems in February earlier this year

12-04-2026 15:52

Gernot Friebes

Hi,I'm looking for help with this anamorph collect

12-04-2026 12:22

William Slosse William Slosse

In a dune grassland in Oostduinkerke (Belgium), on

11-04-2026 15:45

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Please, could anyone send me this paper?Moyne G.,

11-04-2026 13:34

Artem Ptukha

Hello, I am seeking assistance with the identific

11-04-2026 10:42

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia, España, recolec

11-04-2026 10:19

Michel Hairaud Michel Hairaud

Chers amis d'Ascofrance , voici une très bonne no

11-04-2026 10:10

Michel Hairaud Michel Hairaud

Dear Ascofrance members, here is some very good ne

10-04-2026 23:22

Gernot Friebes

Hi,ascospores are 1- to 3-septate, approximately 

10-04-2026 15:51

William Slosse William Slosse

Hello everyone, On 08/04/26, I found a growth sit

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Polydesmia sp.
Nina Filippova, 24-01-2013 13:29
Two quite similar externally tiny discs, both on coniferous decaying wood in wet places (in bogs). They turned to be different in microfeatures, but i had not succeed in clear id. even to genuses. Probably someone could be interested.

1) probably Polydesmia, but asci with inamyloid pore, and spores nonseptate, otherwise paraphyses propoloid, and if to follow the key of Korf (1978) it may be P. fructicola.

Apothecia pustulate to flat-cupulate, grayish, translucent, up to 400 x 100 mk, hymenium minutely rough, outside and edge appear smooth.
Excipulum textura prismatica, outer hyphae end by ventricose or clavate cells (hairs); asci clavate, clamped, with inamyloid pore, 54 x 7 mk; spores ellipsoid and curved (allantoid), non-septate, with large irregular guttulae, 11,6 (10-13,1) x 3,4 (3,1-3,9) mk; paraphyses irregularly bulged in different parts, branched 2-3 times, curved at the tips.


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Hans-Otto Baral, 24-01-2013 15:08
Hans-Otto Baral
Re : Polydesmia sp.
Dear Nina

 Polydesmia has 3-septate spores and amyloid asci, and these apically curved paraphyses are also untypical of that genus.

Do you have the fungus fresh? Please do photos in water, that would greatly help.  Possibly there are guttules in the paraphyses that disappear when mounting in such lethal agent.

Zotto
Nina Filippova, 24-01-2013 21:16
Re : Polydesmia sp.
Here some more pictures in water, paraphyses have no guttules, but spores with big oil drops or full oily content. Asci with rather thin stalk, i did not notice it before.
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Hans-Otto Baral, 24-01-2013 22:30
Hans-Otto Baral
Re : Polydesmia sp.
Good photos, but regrettably all in dead state. I assume the fungus was collected some weeks ago and was dried? Then these guttules disappear irreversibly.

I am sorry I have no idea of a genus. My idea was something around Naeviopsis, but I do not believe.

Zotto