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29-04-2024 21:32

Yellowish asco on Pteridium aquilinum
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asco aquatique
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Could this be Ciborinia pseudobifrons?
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Dear forum members,On April 25 2024, I found one f

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Anamorph with very large dark round conidia found on Cedrus
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Hi everyone, Found on attached branches of top pa

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Pseudoophiobolus (?) sur Teucrium botrys
Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,J'ai trouvé ce matin ce

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Pale Trichopeziza
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On Friday I found these pale, hairy little discos

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Rosellinia britannica ?
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HiOn Hedera helix fallen branchEcological habitat:

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Mollisia on Typha
Enrique Rubio, 04-06-2014 14:35
Enrique Rubio

Hi to all


These small (0.3-0.6 mm) gregarious, sessile, not really cupulate apothecia were found on Typha old leaves at 1350 m of altitude. The excipulum is brownish black and they have not conspicuous marginal elements. Any crystal we have seen in medulla or excipulum. The ascomata are KOH yellowish. Ascospores strongly clavate with well visible gel sheath around fresh discharged ascospores.


It seems to be close to Mollisia hydrophila that I found regulary on Phragmites at the sea level, but this species are paler ascomata with many crystals.


Have you any idea for help me?


 


Thanks again

Hans-Otto Baral, 04-06-2014 17:03
Hans-Otto Baral
Re : Mollisia on Typha
It reminds me a bit of Scutomollisia lanceata (clavate spores, KOH-yellow reaction) but that species has 1-septate spores in the living asci.

M. juncina is paler and has smaller spores, also I noted KOH-.

Zotto


Enrique Rubio, 04-06-2014 17:46
Enrique Rubio
Re : Mollisia on Typha

Hi Zotto


You are right because the ascomata are very close to Scutomollisia lanceata. The ascospores are also sub-cuneate but lack the septa. Maybe it could be an Scutomollisia.


Thanks