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27-04-2026 17:41

Lothar Krieglsteiner Lothar Krieglsteiner

.. Algarve, same leaf than the last post. The con

27-04-2026 18:05

Lothar Krieglsteiner Lothar Krieglsteiner

... still attached at standing tree. The green con

27-04-2026 17:16

Lothar Krieglsteiner Lothar Krieglsteiner

.. Algarve, moist lying.The conidiomata look like

27-04-2026 12:54

Steve Clements

Bonjour. Ce petit champignon blanc résupiné et

27-04-2026 09:59

Pauline. Penna

Bonjour Can anyone advise me on these pycnidia fo

26-04-2026 21:08

William Slosse William Slosse

Several species of Ramularia occur on Rumex that I

22-04-2026 20:54

Enrique Rubio Enrique Rubio

Hi to everybody.This Pyrenopeziza grew in moist le

25-04-2026 11:34

Louis DENY

Bonjour forumdans la clé de Zotto, L. pudicellum

24-04-2026 03:16

David Chapados David Chapados

Found while looking at something else from wood in

22-04-2026 01:06

Richard VALERI Richard VALERI

Bonjour à tous.Je vous présente cette Nectria s.

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Capronia muriformis ?
Joaquin Martin, 27-03-2015 16:34
Hi

Pyrenomycete found on Quercus wood, I have very few apothecia and very small, have not managed to macro photography.
It seems that it has a tendency to form a carpet on the substrate, The apothecia piles up some with the others.
It have hair all over.
What does it seem to you?

Thank you.
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Gernot Friebes, 27-03-2015 18:14
Re : Capronia muriformis ?
Hi Joaquin,

the ascospores of Capronia muriformis should be darker brown, less elongate (Q < 2) and have a more irregular and stronger muriform septation. Capronia species with ± muriform ascospores are a difficult group though; some species are little known and information on their morphological variability is often lacking, which is actually a problem with many Capronia species in general... In any case you could try to document the reaction of the hymenium to IKI and then to IKI after pretreatment with KOH. There are many Capronia species that react more or less strongly red to IKI and bluish to KOH+IKI. This reaction is unfortunately often neglected in literature.


Best wishes,
Gernot

Joaquin Martin, 27-03-2015 20:28
Re : Capronia muriformis ?
HI

The rest of the micro.

Thank Gernot
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