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24-12-2025 17:08

Hulda Caroline Holte

Hello, I have found this propoloid ascomycete on

24-12-2025 18:12

Ethan Crenson

Hello all, A friend found this Orbilia growing on

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Louis DENY

bonjour forum,sur débris de bois de feuillu (acer

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Mirek Gryc

Hi. „I doubt it is possible to identify this ti

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Josep Torres Josep Torres

Hello.Small, yellowish ascomata, with very short a

21-12-2025 09:32

Josep Torres Josep Torres

Hello.A tiny ascomycete found embedded in wood in

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Hello, Garden, Burgweg 19, Veurne, BelgiumOn 10/1

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Bonsoir, récolte sur un mur en pierre, apothéci

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Bonsoir, récolte à proximité du milieu dunaire

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Pseudophacidium necans?
Stefan Blaser, 14-12-2013 11:11
Hello everybody

I identified this discomycete as Pseudophacidium necans. However, I would like to have some confirmation on my identification. Generally, characters and measurements (see pics) fit quite well with the description I have from M.C. Egger (Morphologie und Biologie von Pseudophacidiumarten). Paraphyses are more pointed compared to the drawing in Egger and inward looking cells from the cover layer are sometimes also pointed and slender (pic3). I identified the substrate as Buxus based on wood anatomy (pic7).
Are there any othe species that should be considered, or do you think it fits?

Thanks, Stefan
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Hans-Otto Baral, 14-12-2013 12:30
Hans-Otto Baral
Re : Pseudophacidium necans?
Hi Stefan

this could be Pseudophacidium cf. necans (HB 5211 & 3943). Are your spores around 15-20 x 5-8? Slight variation in spore size is visible on the photos and drawings I have in my necans folder. The tapering paraphyses and the swollen periphyses (cells inside the lobes) might be characteristic.

I do not remember why I was unsure. There is also an anamorph that I saw 8see below).

Zotto
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Stefan Blaser, 14-12-2013 19:23
Re : Pseudophacidium necans?
Hi Zotto

Yes, Spores fit perfectly to that range. So, without strong opposition I think I name it P. necans. Thanks a lot.

Stefan
Hans-Otto Baral, 14-12-2013 20:25
Hans-Otto Baral
Re : Pseudophacidium necans?
Please tell us the spore size you have found. It could be important for future comparison.
Zotto
Stefan Blaser, 14-12-2013 23:44
Re : Pseudophacidium necans?
Sure, Sorry:

15-19 x 6.5-8 is what I noted

Stefan
Hans-Otto Baral, 15-12-2013 10:06
Hans-Otto Baral
Re : Pseudophacidium necans?
This fits perfectly :-)
I think now that my drawings belong to the same species.