07-06-2025 15:39
Edvin Johannesen
A friend sent me a few Betula seeds with tiny blac
08-06-2025 18:03
éric ROMERO
Bonjour à tous, Une récolte alpestre discrète
08-06-2025 14:55
Edvin Johannesen
Ascomata only ca. 1 mm, erumpent on very thin Sali
04-06-2025 15:10
Stefan JakobssonHi forum, On a herbaceous stem, possibly Aegopodi
03-06-2025 20:52
Stefan BlaserHello everybody, I didn't get anywhere with this
20-05-2025 22:15
Francois Guay
I found this ascomycete at the base of a dead fern
White asco on wood
Enrique Rubio,
02-09-2012 17:18
Hi to everybodyI'd like to know your opinion about these totally white ascomata, not yellowish nor reddening, small (up to 1.4 mm in diam.), gregarious, shortly stipitate by a stout and short stipe. The margin is glabrous an inrolled and the excipulum is white and pubescent.
The ascomata grow on Betula alba wet wood at 1600 m of altitude.
The asci seems to be IKI very faintly blue, 8-spored and they have croziers. Paraphyses have long cylindrical and refringent vacuoles. Ectal excipulum with textura angularis with many short polymorfic indiferenciate hairs. No basal blue reaction with IKI or Mlz.
I can't see a clearly textura oblita in the excipulum and because of it I cannot say that my fungus is close to Bisporella subpallida.
What do you think?
Many thanks again
Hans-Otto Baral,
02-09-2012 17:32
Re : White asco on wood
Yes, this is Calycina languida. There is only one thing: the type in the Karsten Herbarium is without croziers. My collections are partly without, but others with croziers. Otherwise I see hardly any difference. The apical ring is RB in both (blue then +/- dirty red).
It is a typical montane to subalpine-boreal species and grows on Fagus, Betula and Alnus viridis.
Zotto
It is a typical montane to subalpine-boreal species and grows on Fagus, Betula and Alnus viridis.
Zotto
Enrique Rubio,
02-09-2012 18:32
Re : White asco on wood
Thanks a lot, Zotto!
I think my IKI is in already in bad state...
Enrique