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Hulda Caroline Holte

Hello, I have found this propoloid ascomycete on

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Camptosphaeria citrinella
Joop van der Lee, 04-08-2013 00:47
Joop van der LeeFound on cow dung.


Neck with excostratum and hairs on fruitbody thick walled (85.57x3.55 um)

Asci: length not measured, width 15.99 um 

Spores one celled 40.10x4.60 um with cauda's on each side.   
When mature spore head 26.11-28.14x11.78-12.41 um, pedicel 23.69 um with cauda's on both sides.
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Andrew N. Miller, 04-08-2013 01:24
Andrew N. Miller
Re : Cercophora?
Are the mature ascospores in the last picture typical?  Do most of them have a brown tail (pedicle) as well as a brown head?

Andy
Joop van der Lee, 04-08-2013 09:32
Joop van der Lee
Re : Cercophora?
That's correct Andy
Andrew N. Miller, 04-08-2013 15:33
Andrew N. Miller
Re : Cercophora?
Camptosphaeria?

Andy
Michel Delpont, 04-08-2013 18:42
Michel Delpont
Re : Cercophora?
Hello Andy.

Normally, immature spores Camptosphaeria are not sigmoid? Correct? I know very little about this kind of Cercophora very close, I think it should be a section of the wall for greater accuracy. I think you've already found Camptosphaeria citrinella?

Regards.

Michel.
Joop van der Lee, 04-08-2013 21:13
Joop van der Lee
Re : Cercophora?

Hello Andy and Michel,

With the above mentioned sporesize only tow species as mentioned In the key of the following article   http://www.landesmuseum.at/pdf_frei_remote/Sydowia_29_0071-0074.pdf remain C. Citrinella and C. Sulphurea. With a width of 11.78-12.41 um  I would go for C Sulphurea 

I also have photos of spore developement in the ascus, also there is someting present in top of all asci which I cannot give a name. (dots 1 and 2 in photo 2). It's also present in the ascus of photo 5 of the initial topic report.

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