16-07-2025 17:34
Bernard Declercq
Hello,I have trouble distinguishing above mention
14-07-2025 11:20
Michel Hairaud
Bonjour, Voici une espèce de (?) Hyaloscyphace
16-01-2023 21:31
Riet van Oosten
Hello, Nearby the find of Calycina claroflava on
14-07-2025 17:55
Yanick BOULANGERBonjourAutre dossier laissé en suspendJe viens de
14-07-2025 11:17
Yanick BOULANGERBonjourJ'ai un dossier Jackrogersella qui est rest
14-07-2025 15:52
Gernot FriebesHi,I wanted to share this collection on Rubus idae
14-07-2025 13:37
Gernot FriebesHi,do you think this collection could be R. ulmari
Roseodiscus spec. - on dying Hypnum cupressiforme on rock
Lothar Krieglsteiner,
18-12-2020 18:51
.. 16.12.2020, Germany, Hessen, Rhön, "Schafstein"Spores 14-22/3-4 (5,5), Asci about 70-90/9-11, likely without croziers.
Paraphyses 2-4 broad
Asci IKI+ - in Baral difficult to say, in my opinion more likely dark blackish red than dark blackish blue.
With Zottos key I have no result.
In the same area (about 100 m distance) I found very likely the same on a dying lawn of liverworts - I have also pictures of this but I do not show them in this frame for not to confuse both (but I can do later).
Who can help me?
Best regards, Lothar
Hans-Otto Baral,
18-12-2020 21:06
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
Hallo Lothar
I see a dirty red reaction in the last pic.
This reminds me more of "Bryoscyphus" turbinatus, repeatedly seen here in the forum.
But so red? Is the colour due to age?
I assume KOH does not change the colour?
Doesn`t B. turbinatus have crystals?
Zotto
Lothar Krieglsteiner,
18-12-2020 21:11
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
Hello Zotto,
thank you very much! Yes, this seems plausible - I did not think of this. Good possible that the reddish color is due to age.
I will try KOH tomorrow. What should be observable?
Best regards, Lothar
thank you very much! Yes, this seems plausible - I did not think of this. Good possible that the reddish color is due to age.
I will try KOH tomorrow. What should be observable?
Best regards, Lothar
Hans-Otto Baral,
18-12-2020 21:13
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
I wonder about the yellow colour of the excipulum, thinking about Luteodiscus which turns pink in KOH (the cells, no dissolution of pigment).
Lothar Krieglsteiner,
19-12-2020 12:03
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
Hi Zotto,
there is no pink stain in 5% KOH (through aquous slide).
Luteodiscus is unknown to me, but it should be excluded then.
Did I understand you right that copious crystals on the excipulum are typical for "B". turbinatus?And: you also consider B. turbinatus not to be a Bryoscyphus (I know dicrani, phascoides and spec.) which e.g. has very guttulate paraphyses like Hymenoscyphus. But: couldn`t it be related with Roseodiscus? Do you know about a molecular scan of B. turbinatus?
Best, Lothar
there is no pink stain in 5% KOH (through aquous slide).
Luteodiscus is unknown to me, but it should be excluded then.
Did I understand you right that copious crystals on the excipulum are typical for "B". turbinatus?And: you also consider B. turbinatus not to be a Bryoscyphus (I know dicrani, phascoides and spec.) which e.g. has very guttulate paraphyses like Hymenoscyphus. But: couldn`t it be related with Roseodiscus? Do you know about a molecular scan of B. turbinatus?
Best, Lothar
Hans-Otto Baral,
19-12-2020 12:20
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
Hi Lothar
Luteodiscus nom. prov. you know, you had it in Plitvice if I remember right.
Apical ring and eguttulate paraphyses exclude Bryoscyphus, yes.
In a fast NJ tree I see some supported rtelation with Hyaloscypha but not with Rodeodiscus.
I have the species at the moment in Arachnoscypha, with which it does not cluster. Yes, crystals occur in that species, there are some photos.
Zotto
Lothar Krieglsteiner,
19-12-2020 12:23
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
Hello Zotto,
ah - o.k. - you mean "Mahovinodiscus nowelliae" as we first called it.
Thanks again!
Lothar
ah - o.k. - you mean "Mahovinodiscus nowelliae" as we first called it.
Thanks again!
Lothar
Hans-Otto Baral,
19-12-2020 12:25
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
Yes, on Nowellia. That M-name I never heard :-)
Lothar Krieglsteiner,
19-12-2020 12:32
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
You used it at the beginning, together with me. Mahovina (hr): moss.
Best regards, Lothar
P.S. I had several finds in Croatia, not only on Nowellia, but also on other liverworts (I had to look up which).
P.S This is very different to B. turbinatus in macroscopical appearance (smaller, subsessile, yellow)
Best regards, Lothar
P.S. I had several finds in Croatia, not only on Nowellia, but also on other liverworts (I had to look up which).
P.S This is very different to B. turbinatus in macroscopical appearance (smaller, subsessile, yellow)
Hans-Otto Baral,
19-12-2020 13:11
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
I find it under the misspelling Muhovinodiscus in mails from 2016, so I actually heard that name, but I do not see it in my files and not on your drawings. Did I actually adopt it back then?
Some months ago I had started a manuscript on that genus, which I have in Hyaloscyphaceae at the moment. I saw two species: one I so far called L. bryophilus, the other L. hemiamyloideus.
Lothar Krieglsteiner,
19-12-2020 14:02
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
I saw a collection of Bernd Fellmann, Bavarian Forest - is this the second species?
L
P.S. I am always looking on Nowellia if I again find this disco - without success. In the Eifel I once found Mniaecia nivea on Nowellia, but not Muhovinodiscus.
L
P.S. I am always looking on Nowellia if I again find this disco - without success. In the Eifel I once found Mniaecia nivea on Nowellia, but not Muhovinodiscus.
Hans-Otto Baral,
19-12-2020 15:41
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
The present state of knowledge includes a large number of samples of the euamyloid taxon and a few of the hemiamyloid one. Most of them are by Jean-Paul Priou who finds it everywhere, and many old herbarium specimens were detected by Peter Döbbeler who sent me the data. The whole is not easy, as mostly.
Not sure what Bernd collected, I don't have one. You must only look in my Luteodiscus folder.
L. hemiamyloideus was on Nowellia and Riccardia.
Zotto
Lothar Krieglsteiner,
19-12-2020 20:29
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
As I remember I had it on a third liverwort, but I would have to look it up (by time), I think Lepidozia.
Hans-Otto Baral,
19-12-2020 20:53
Re : Roseodiscus spec. - on dying Hypnum cupressiforme on rock
Should be clarified if it was hemi- or euamyloid. The latter occurs on both hepatics and mosses.