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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

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

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

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

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Chaetoplea spec.??
Stefan Blaser, 17-04-2020 13:25
Dear all,

It would be great if anybody could make a suggestion considering this collection.

As it may be a Chaetoplea species, I would also be very thankful for any Literature on this genus.

Ecology: On dead branch of Castanea

Macro:

Perithecia globose, black, about 300 µm in diameter, collapsed when dry



Micro:



Asci: saccate, 42-50 x 22-25 µm

Spores: Dictyosporous, greyish brown, with 3 (-4-6) transversal and 1(-2) longitudinal septa, mostly 14-17 x 8-9 µm, some Spores prolonged up to 23 µm.

Perithecial wall: Angular to rounded, brown cells with a diameter of 5-10 µm

Any help would be very welcome.

Best wishes,

Stefan
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Alain GARDIENNET, 17-04-2020 15:33
Alain GARDIENNET
Re : Chaetoplea spec.??

Hi Stefan,


Toay, it's difficult to say what is Chaetoplea. Your fungus is probably close to Thyridium.


Please, contact Hermann Voglmayr.


Alain

Stefan Blaser, 18-04-2020 11:51
Re : Chaetoplea spec.??
Thank you Alain, I will

Stefan