09-07-2020 00:39
Valencia Lopez Francisco JavierHola a todosEncontré este curioso ascomycete a me
02-08-2020 11:52
Marcel Heyligen
I'm looking for next article publishers october 20
31-07-2020 14:30
Alex Akulov
Dear friendsCan you help me to find the article:Gr
31-07-2020 21:08
Juuso ÄikäsI found some Scutellinias a couple days ago on a w
Hymenoscyphus vernus?
Juuso Äikäs,
22-05-2020 17:45
The asci seemed to be without croziers. I got almost no reaction with Melzer's but with Lugol's there was a fairly clear blue reaction with the apical pore.
Spore measurements: (7.6) 8.3 - 12.2 (13.3) × (3.4) 3.5 - 4.3 (4.4) µm
Q = (2) 2.3 - 3.1 (3.5) ; N = 16
Me = 10.3 × 3.8 µm ; Qe = 2.7
So does this fit H. vernus or might this be something else? I've found Cudoniella clavus before in the same stream last summer but I think this is something different. That finding had croziers and the stems were brown towards the base.
Hans-Otto Baral,
22-05-2020 20:37
Re : Hymenoscyphus vernus?
Yes, this is a good fit. A dark base is typical for H. vernus, not sure if it occurs also in C. clavus. Genetically the two species are surely congeneric, but the absence of croziers and the narrower, more cylindrical spores are typical of H. vernus.
Juuso Äikäs,
22-05-2020 20:50
Re : Hymenoscyphus vernus?
Ok, many thanks! I looked at a couple ascocarps with 20X magnification and the base of the stem was blackish. The C. clavus that I've found had more a medium brown than a blackish base.
Hans-Otto Baral,
22-05-2020 21:16
Re : Hymenoscyphus vernus?
This is exactly the current case.