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08-12-2025 18:59

aff. Tricharina?
Lothar Krieglsteiner Lothar Krieglsteiner

.. found by a seminar-participant, I do not know t

07-12-2025 17:43

Helvella
Malcolm Greaves Malcolm Greaves

This Helvella was in mixed woodland. Uniform cupul

08-12-2025 17:37

possibly related to Melanomma - on Abies
Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

07-12-2025 16:07

Ascomycet mit Sammelfruchtkörper.
Arnold Büschlen

Hallo, ich habe in einer Moos-Aufsammlung (epiphy

16-03-2014 22:00

Unknown species on cones
Ralph Vandiest Ralph Vandiest

Hello,I found this species a few months ago but ha

08-12-2025 13:39

Hypocrealean parasite on Nemania serpens stroma - Denmark
Thomas Læssøe

https://svampe.databasen.org/observations/10572899

07-12-2025 22:43

Leucostoma ?
Andreas Millinger Andreas Millinger

Good evening, tried to determine with Munks Valsa

05-12-2025 17:33

Lachnum sur feuille de chêne
Bruno Coué Bruno Coué

Bonjour, je serais heureux de recueillir votre avi

06-12-2025 00:19

Literature search (Raitviir Galán)
Viktorie Halasu Viktorie Halasu

Hello, would anyone have this article, please? An

04-12-2025 23:53

Anthracobia key
Malcolm Greaves Malcolm Greaves

Is there an up to date Anthracobia key available?T

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Orange disc on Juniperus
Marc Detollenaere, 12-03-2018 23:39
Marc Detollenaere

 


Good evening everybody,


In La Ste-Baume in Provence I found some orange discs on Juniperus communis with a hymenium surface appearing granular. The asci were 8-spored and the ascus wall was Melzer positive. Paraphyses were slender and had yellow cristals at the end. Spores measured 11x6µ.


Anyone could help me further?


 

  • message #52689
  • message #52689
  • message #52689
Peter Püwert, 13-03-2018 00:22
Peter Püwert
Re : Orange disc on Juniperus
Hi Marc,
in my opinion is these a lichen. Here a link.
Greetings Peter.
http://www.lichens.lastdragon.org/lichenicolous/Marchandiomyces_corallinus.html
Marc Detollenaere, 13-03-2018 07:24
Marc Detollenaere
Re : Orange disc on Juniperus

Hallo Peter,


 


Thanks for your reaction.I think you are right. I missed the thallus on examination.


I'll see if I can find the species


 


Marc

Hans-Otto Baral, 13-03-2018 07:37
Hans-Otto Baral
Re : Orange disc on Juniperus
I vaguely see the central thick septum and suspect it is a Caloplaca.
Zdenek Palice, 13-03-2018 09:06
Zdenek Palice
Re : Orange disc on Juniperus
Yes, it is Caloplaca s.lat. It was split recently on many smaller genera, and it may well be e.g. Caloplaca (Blastenia) hungarica or still something else. But this is a question for a specialist on Teloschistaceae. Zdenek
Marc Detollenaere, 19-03-2018 19:52
Marc Detollenaere
Re : Orange disc on Juniperus

Thanks very much Zotto and Zdenek.


Sorry for my late response. I was abroad for a week


 


Marc