15-09-2025 14:40
Nicolas VAN VOOREN
Hello.I'm searching for a digital copy of the seco
14-09-2025 22:16
Philippe PELLICIERApothécies petites jusquà 3 mm, oranges, avec de
13-09-2025 14:01
Thomas Flammerdark brown apothecia, splitIKI-Spores biguttulate
10-09-2025 17:18
Blasco Rafael
Hola, encontre este estiercol de vaca estos apotec
13-09-2025 14:10
Wim de GrootWe found this hymenoscyphus on rubus fruticulosis.
11-09-2025 16:57
Jason Karakehian
Our revision of Marthamycetales (Leotiomycetes) is
10-09-2025 23:53
Marcel Heyligen
Found on Robinia pseudoacasia together with Diapor
02-09-2025 11:34
Thomas Læssøehttps://svampe.databasen.org/observations/10527903
A bit lost with these bald-ones.Spores +- fusoid, with prominent septa already in ascus. Often constricted at septa. Mature spores with 1-3 septa. Large vacuoles. Spores often disintegrate in two (after some physical pressure). Size 15-22 x 3-5(6) um.
Paraphyses cylindrical, with large refractive vacuole in the upper part.
Asci often over 100 um in length, apical part blue in MLZ. Croziers not observed.
On dead Betula in southern Finland. A fresh and "good-looking" specimen.
Feel free.
Timo
do you haver a photo of the blue apical ring? I am not sure whether to put this alternatively in Calycina. You have nice living asci, is there also a photo where spore septation is visible inside of them?
Zotto
I guess the ring is of the Calycina type, so it isn't a Hymenoscyphus.
"Inside asci" is not enough, it is important to look the spores inside living asci. You have a turgescent ascus on your photo but cut away... Hymenoscyphus ejects always non-septate spores, calycina often 1-septate.
T
Hi Timo,
"the thing" is different if you use Melzer or Lugol (alternatively Barals solution).
Melzer contains chloral hydrate and kills the cells. The hemiamyloid reaction that is a vital reaction is suppressed by Melzer. So you should use only IKI (Lugol, Barals solution) and no Melzer.
Regards from Lothar
The differences are illustrated below. Surely they are not always as different as there, and both red and blue reactions occur in all these groups.
So we must search in the genus Calycina.
Specimen is still alive and kicking,
Timo