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30-06-2025 19:05

ALAIN BOUVIER

Bonjour à toutes et à tousJe cherche à lire l'a

30-06-2025 14:45

Götz Palfner Götz Palfner

This is a quite common species on Nothofagus wood

30-06-2025 12:09

Edvin Johannesen Edvin Johannesen

This tiny, rather "rough" erumpent asco was found

30-06-2025 16:56

Lydia Koelmans

Please can anyone tell me the species name of the

30-06-2025 06:57

Ethan Crenson

Hi all, Another find by a friend yesterday in Bro

25-06-2025 16:56

Philippe PELLICIER

Bonjour, pensez-vous que S. ceijpii soit le nom co

29-06-2025 18:11

Ethan Crenson

Hello all, A friend found this disco yesterday in

28-06-2025 17:10

Peter Welt Peter Welt

I'm looking for: RANALLI, M.E., GAMUNDÍ, I.J. 19

28-06-2025 16:00

Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

27-06-2025 14:09

Åge Oterhals

I found this pyrenomycetous fungi in mountain area

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Coprotus...ochraceus?
Björn Wergen, 04-04-2011 02:11
Björn WergenHi again,

the findings of the last days will be microscoped again, but first I have some problems with Coprotus. 2005 I had found some of Coprotus but was not really able to determine them. Now, with more literature and more experience, I hoped to be ready for Coprotus, but it seems as if I am wrong with it.

Fruitbody 0,5-1 mm, disc-shaped, whitish to yellow-whitish, with protuding asci. Spores 17-21x10-12,5 µm, ellipsoid, hyaline, really smooth, with deBarry-Bubble (I hope it is right), thickwalled. Asci 90-100x20-30 µm, cylindrical, with 8 spores in different arrangement, Spores in Asci with gel-sheath (similar to immature Ascobolus immersus spores...). Paraphyses cylindrical, 90-100x2-3 µm, apices up to 7 µm, hyalin, septate, rarely branched.

On dung of wild pig.

Perhaps someone has an idea. My problem is the spore size, C. ochraceus and C. leucopocillum with both 8spored asci have smaller spores...

regards,
Kazuya
  • message #15007
Björn Wergen, 04-04-2011 02:11
Björn Wergen
Re:Coprotus...ochraceus?
micro
  • message #15008
Michel Delpont, 04-04-2011 11:56
Michel Delpont
Re:Coprotus...ochraceus?
hello.

Coprotus species of the genus are often difficult to separate. The size of the spores seem a little large for leucopocillum. Ochraceus is normally more pigmented than leucopocillum, bigger in size, and has also more pigmented paraphyses. The exipulum is also normally low cyanophilous.

Regards.
Björn Wergen, 04-04-2011 21:09
Björn Wergen
Re:Coprotus...ochraceus?
Hi Michel,

thank you for the answer. I checked another substrate, also wild pig, and found more orange-yellow to pale ochraceous-yellow apothecia in the same size as the finding before, but different microscopical features like the smaller spores (17-19x10-11µm) and not inflated paraphyses with pale yellow pigment. I will show the photos right here ;)

I think this should be C. ochraceus.

regards,
Kazuya
--------------

edit: Asci open by an operculum!
  • message #15012
Björn Wergen, 04-04-2011 21:09
Björn Wergen
Re:Coprotus...ochraceus?
micro
  • message #15013
Michel Delpont, 09-04-2011 14:28
Michel Delpont
Re:Coprotus...ochraceus?
OK, this seems to fit; excuse my delay but I had a computer problem.
Regards.
Björn Wergen, 10-04-2011 17:08
Björn Wergen
Re:Coprotus...ochraceus?
Hi Michel,

many thanks for your opinion, it does not matter if it was a bit late ;)

regards,
Kazuya