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24-03-2026 19:59

William Slosse William Slosse

Hello everyone,On 23/03/26, I found the following

21-03-2026 15:13

Lepista Zacarias

Hello everyone, Does any one know of any literatu

24-03-2026 21:37

Elisabeth Stöckli

Bonsoir,Sur bois (tronc) très pourri de conifère

24-03-2026 21:07

Ethan Crenson

Hello all, A friend collected this asco in a wood

23-03-2026 20:16

Miguel Ãngel Ribes Miguel Ángel Ribes

Good eveningI'm unable to identify this Coprotus o

24-03-2026 15:44

Åge Oterhals

I hope someone can confirm the name of this collec

24-03-2026 11:58

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia, recolectado en c

23-03-2026 13:24

Paul Cannon

Could anyone provide me with a pdf of Auerswald's

20-10-2017 09:23

Garcia Susana

Este otro crecía en el mismo trocito de madera qu

21-03-2026 22:59

Petr Soucek

Good evening, I would appreciate some advice on th

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Stictis?Propolis? on Eucalyptus bark
Zuidland Peter, 12-12-2021 07:00
Hello all,
I am having trouble with the ID of this erumpant on Eucalyptus bark and ask for your assistance.

Asci: 90 x 13um, Lugol's +ve
Spores: small lipids drops in H20, 16/17 septa seen in Lugol's, 56.6-68.7 x 3.1-4.1um

I hope there is enough in the images to help you.
Best regards
Peter
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Hans-Otto Baral, 12-12-2021 12:07
Hans-Otto Baral
Re : Stictis?Propolis? on Eucalyptus bark
I suggest a Karstenia around K. idaei. The blue apical ring might rule out idaei, not sure.

A section of the marginal lobes (for the periphysoids) might be helpful.
Peter Püwert, 12-12-2021 13:53
Peter Püwert
Re : Stictis?Propolis? on Eucalyptus bark
Hi all, this seems very similar:


Regards Peter.
Zuidland Peter, 13-12-2021 06:45
Re : Stictis?Propolis? on Eucalyptus bark
Hans-Otto and Peter, thanks for the replies,

Here are images from the lobes in LPCB showing marginal cells, which I hope will help.
Looking at your files and key, I think it does cf K.idaei but I look forward to your latest thoughts.

Cheers
pete
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Hans-Otto Baral, 13-12-2021 09:23
Hans-Otto Baral
Re : Stictis?Propolis? on Eucalyptus bark
Yes, these are the periphysoids. They line the lobes down to the base of the hymenium, unlike in Cryptodiscus where they only occur above the hymenium.

The matter with the amyloid ring is worth following, I am nur sure how valuable it is in terms of species delimitation. If you pretreat with KOH, then the entire hymenium (lateral wall of asci) must react blue.
Zuidland Peter, 14-12-2021 05:04
Re : Stictis?Propolis? on Eucalyptus bark
Here are some images in Lugol's after pretreatment with KOH; a lot of blue.
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Hans-Otto Baral, 14-12-2021 08:26
Hans-Otto Baral
Re : Stictis?Propolis? on Eucalyptus bark
Yes, this is typical of Ostropales
Zuidland Peter, 16-12-2021 01:58
Re :Karstenia sp. on Eucalyptus bark
Fantastic, many thanks for your help getting ID to genus; I will file it as Karstenia cf idaei.

I have learnt some new things in this process, which is always much appreciated.

Seasons greetings to all.

Pete