28-05-2026 16:15
James MitchellHello,Does anyone have the original publication of
28-05-2026 11:06
Thomas Læssøehttps://svampe.databasen.org/observations/10596750
23-05-2026 11:44
Charles Grapinet
Hello, I am having trouble identifying this copro
25-05-2026 16:44
François BartholomeeusenHi forum members,During an excursion organised by
26-05-2026 21:25
Dirk GerstnerHello everyone, I'm completely stumped by this li
26-05-2026 22:44
Ethan CrensonHi all, I think I have Incrucipulum capitatum her
22-05-2026 14:44
Lothar Krieglsteiner
in unripe condition citrine yellow, then soon fadi
25-05-2026 16:35
Bernard CLESSE
Bonjour à toutes et tous,J'ai trouvé récemment,
22-05-2026 13:29
Gernot FriebesHi,I am curious to hear your opinion on this mater
23-05-2026 18:57
Sylvie Le GoffBonjour à tousRécolté sur une branchette de Sal
Karstenia chrysophaea? - from Portugal
Lothar Krieglsteiner,
29-04-2026 08:01
... on twig attached to small tree of Citrus aurantius, together with Clonostachys ralfsii (det. A. Gardienet). As the few apothecia (only seen after water-addition) were growing in an algal mat they could well be lichenised (without having evidence for this).
I think it must be a Karstenia and I do not find a better species than chrysophaea.
The spores have up to 11 septa and are about 40-55/3,5-4,5 µm large, with both ends pointed.
Who can help?
Best regards, Lothar
Hans-Otto Baral,
29-04-2026 08:38
Re : Karstenia chrysophaea? - from Portugal
This may well be a Karstenia, but I would like to see the periphysoids on the inner margin. The apos are small, but only a median section would show them. Examples of sections with periphysoids are many in my Karstenia folder.
Zdenek Palice,
29-04-2026 09:11
Re : Karstenia chrysophaea? - from Portugal
The ascospores appear distinctly halonate on some photos - this could be what lichenologists used to call Ramonia subsphaeroides (Tav.) Vezda which should have spore sizes of more or less of the same size as Karstenia chrysophaea auct.
see e.g. the photo of the species in the paper by Frisch et al. 2020
Lothar Krieglsteiner,
29-04-2026 10:06
Re : Karstenia chrysophaea? - from Portugal
Hello Zotto,
thanks for your reply. I will not be easy to do this with the ramaining material but I will try.
The link to your site does not work any more at my laptop. Could you once again send the (new?) link?
Lothar
thanks for your reply. I will not be easy to do this with the ramaining material but I will try.
The link to your site does not work any more at my laptop. Could you once again send the (new?) link?
Lothar
Lothar Krieglsteiner,
29-04-2026 10:07
Re : Karstenia chrysophaea? - from Portugal
Hello Zdenek,
thank you very much for your proposal that looks very good- I will try to compare more exactly. The "halo" of the spores was also noted by me.
Best regards, Lothar
thank you very much for your proposal that looks very good- I will try to compare more exactly. The "halo" of the spores was also noted by me.
Best regards, Lothar
Hans-Otto Baral,
29-04-2026 10:42
Re : Karstenia chrysophaea? - from Portugal
I now think I see a thallus around the apos.
My website is still out of order. Here is the link to the ascos:
Lothar Krieglsteiner,
29-04-2026 10:47
Re : Karstenia chrysophaea? - from Portugal
thank you, Zotto