17-10-2025 18:45
Riet van Oosten
Hello, Found by Laurens van der Linde, Oct. 2025.
23-09-2025 13:31
Thomas Læssøehttps://svampe.databasen.org/observations/10534623
15-10-2025 16:39
Edvin Johannesen
These tiny (0.2-0.6 mm), white, pulvinate apotheci
03-10-2025 13:44
Riet van Oosten
Hello, Found by Laurens van der Linde on Populus
13-10-2025 19:05
Louis DENYBonjour forumSur tronc décortiqué de feuillu x,
11-10-2025 20:27
Marcel Heyligen
Found on a barked branch, 14 mm in diameter, of Ro
09-10-2025 22:14
S. RebeccaWe just had the Bavarian Mycology Conference in Au
10-10-2025 00:49
Ethan CrensonHello all, This was found last weekend on a hardw
Roseodiscus aff. formosus
Gernot Friebes,
22-08-2021 10:52
I collected this discomycete at approx. 2400 m a.s.l. and I think it has strong similarities with this Roseodiscus aff. formosus: https://drive.google.com/drive/folders/0B5SeyOEkxxZhXzZkNXRMSDFIVzA?resourcekey=0-XZegZviwmZP_xJiG2vNF5g
Spores measure about 10–13 x 3–3.5 µm, croziers are present, the asci are IKI bb.
Just wanted to share this interesting collection.
Best wishes,
Gernot
DirkW,
22-08-2021 12:02
Re : Roseodiscus aff. formosus
hi gernot,
nice find! I hadn't expected it on such altitute!
ceratodon purpureus is obvious ...
there seem to be two variants, which are imediately red or blue in lugol ...?
best wishes
dirk
Gernot Friebes,
22-08-2021 15:53
Re : Roseodiscus aff. formosus
Thank you, Dirk.
Yes, Zotto mentioned in this forum that Enrique's collection (with asci IKI bb) differed in the ITS compared to typical R. formosus, so maybe we are dealing with an undescribed species here.
Best wishes,
Gernot
Yes, Zotto mentioned in this forum that Enrique's collection (with asci IKI bb) differed in the ITS compared to typical R. formosus, so maybe we are dealing with an undescribed species here.
Best wishes,
Gernot
Enrique Rubio,
22-08-2021 18:21
Re : Roseodiscus aff. formosus
Hi Gernot
Here are my ITS and LSU sequences of this Roseodiscus
https://www.centrodeestudiosmicologicosasturianos.org/?p=29418
Enrique
Here are my ITS and LSU sequences of this Roseodiscus
https://www.centrodeestudiosmicologicosasturianos.org/?p=29418
Enrique
Hans-Otto Baral,
23-08-2021 09:23
Re : Roseodiscus aff. formosus
I agree. Is the moss also Ceratodon? It seems so.
Your spore measurements are not really concordant with the pics, either the spores are longer or narrower. Is there a scale to check?
Zotto
Gernot Friebes,
24-08-2021 14:24
Re : Roseodiscus aff. formosus
Thank you for the link, Enrique!
The moss has been confirmed as Ceratodon by a colleague who is a bryologist (a Bryum was also very close).
It is well possible that I did not cover the full spore size range since I only measured a few spores. Unfortunately I do not have a scale since I used someone else's microscope.
Best wishes,
Gernot
The moss has been confirmed as Ceratodon by a colleague who is a bryologist (a Bryum was also very close).
It is well possible that I did not cover the full spore size range since I only measured a few spores. Unfortunately I do not have a scale since I used someone else's microscope.
Best wishes,
Gernot
Hans-Otto Baral,
24-08-2021 17:32
Re : Roseodiscus aff. formosus
thanks Gernot. I assume this sample is from the Alps?
Gernot Friebes,
24-08-2021 17:55
Re : Roseodiscus aff. formosus
Yes, from Vorarlberg (Kreuzjoch, also called Krüzjoch).