19-04-2024 14:28
B Shelbourne
Cudoniella tenuispora: Distinctive macro and habit
13-04-2024 11:44
Riet van Oosten
Hello, Found by Laurens van der Linde, April 2024
16-04-2024 17:43
Giovanni ANTOLA
Bonjour,Trouvé sous paille humide, autour d'un je
17-04-2024 10:44
Bernard CLESSE
Juste à côté du cône avec "Hyphodiscus ayelii"
16-04-2024 22:53
Bernard CLESSE
Bonsoir à toutes et tous,Pourriez-vous m'aider à
White discomycete on Alnus wood
Stefan Jakobsson,
21-01-2023 00:10
I tried to match this with e.g. Calycina hyalinula but the hairs don't fit in. The temperature in southern Finland had been mostly above freezing point for a week when this was collected yesterday. Are there better suggestions?
Lothar Krieglsteiner,
21-01-2023 09:05
Re : White discomycete on Alnus wood
perhaps have a look in the genus Hmatocanthoscypha?
Best regards, Lothar
Best regards, Lothar
Stefan Jakobsson,
21-01-2023 10:39
Re : White discomycete on Alnus wood
The hairs, of course, bring Hamatocanthoscypha to mind. But VBs in Hamatocanthoscypha? I found nothing suitable on hardwood.
Lothar Krieglsteiner,
21-01-2023 10:54
Re : White discomycete on Alnus wood
you are right, I overlooked the vacuolar bodies. Then Calycellina perhaps ?
Hans-Otto Baral,
21-01-2023 17:50
Re : White discomycete on Alnus wood
I was also thinking about the VBs but I believe Hamatocanthoscypha is a good choice. What about H. straminella? Look in my folder, it is IKI-, but I thought it should be yellow. For sulphureocintina this is so and also straminella was described as "straminea vel subaurea".
Stefan Jakobsson,
21-01-2023 18:29
Re : White discomycete on Alnus wood
At least last time I collected H. straminella on Alnus three years ago it was very clearly yellow. Then it was growing under a piece of wood against the ground in darkness, so the lack of light does not explain the difference.
Hans-Otto Baral,
21-01-2023 20:45
Re : White discomycete on Alnus wood
Ah you know it, and it was inamyloid, yes? The hairs contain here distinctly rfefractive VBs, not yellow, but I suppose the yellow VBs in the paraphyses were also refractive.
Surely this is something very similar.
Stefan Jakobsson,
21-01-2023 21:44
Re : White discomycete on Alnus wood
It was inamyloid but probably I did not test with pretreatment. Unfortunately I did not save the photos, but the notes say that hairs and paraphyses were more clearly yellow under the microscope than what the photos show.
Hans-Otto Baral,
21-01-2023 23:00
Re : White discomycete on Alnus wood
If you use Lugol you must not pretreat with KOH.
Stefan Jakobsson,
22-01-2023 00:27
Re : White discomycete on Alnus wood
Always lugol!