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21-03-2026 22:59

Petr Soucek

Good evening, I would appreciate some advice on th

21-03-2026 15:13

Lepista Zacarias

Hello everyone, Does any one know of any literatu

20-03-2026 12:53

Stefan Blaser

Hello everybody, In the field, from distance, my

20-10-2017 09:23

Garcia Susana

Este otro crecía en el mismo trocito de madera qu

20-03-2026 16:16

Edvin Johannesen Edvin Johannesen

These 0.5 mm diam. acervuli were breaking through

19-03-2026 19:34

Filip Fuljer Filip Fuljer

Hello everyone,a few days ago I collected this str

19-03-2026 18:25

William Slosse William Slosse

Good evening everyone, On 18/03/26 I found a few

17-03-2026 10:09

François Freléchoux François Freléchoux

Bonjour, Voici la description rapide d'un petit d

19-03-2026 15:58

Stefan Blaser

Hello everybody, I hope for some hints... Macro:

19-03-2026 17:50

Enrique Rubio Enrique Rubio

Hi to everybodyThese thiny, blackish pseudothecia

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Disco on Bryophyte
Kosonen Timo, 26-03-2019 13:50
Kosonen Timo
A fellow student working with mosses came up with this lovely Helotiales (?) among Acroporium sp. herbarium specimen from Vietnam.

There are some remnants of hairs clustered into "teeth" (cf. "Pezoloma" or "Echinula"). The paraphyses are just lovely: they are strikingly swollen, kind of "balloon-on-a-stick". Asci relatively small as well as the spores (ca. 6 x 3 um) Spores with septa.

All ideas wellcome. There's not that much material, so I'll make more slides based on comments.

bw

Timo
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Hans-Otto Baral, 26-03-2019 16:03
Hans-Otto Baral
Re : Disco on Bryophyte
Asci are IKI-? Croziers?

The excipulum is also perhaps peculiar? A pity that no living paraphyses are there, because of contents in the swollen tip?
Kosonen Timo, 26-03-2019 20:37
Kosonen Timo
Re : Disco on Bryophyte
I am undecided about the crozier, if yes, then very small. I'll do IKI tomorrow and I'll zoom on the excipulum too. Nothing fresh available. Here's one macro.

Timo
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Hans-Otto Baral, 26-03-2019 20:43
Hans-Otto Baral
Re : Disco on Bryophyte
Perhaps in water the contents of the paraphyses are still visible, remember Seppo's "yellow pigment" of herbarium material which usually disappears in KOH.
Kosonen Timo, 27-03-2019 09:33
Kosonen Timo
Re : Disco on Bryophyte
Some more data:

spores ca. 6 x 2,5; ascus tip strong blue in LUG and MLZ, shape should be noted (is there a name for it?); some structures resembling a crozier, but still not really sure; excipulum even sized textura globosa. Paraphyse contents turn golden yellow in LUG, in water contents hyaline. No other kind of paraphyses, the developing asci are not cylindrical, but tapering.

T

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Kosonen Timo, 27-03-2019 09:35
Kosonen Timo
Re : Disco on Bryophyte
..and it's all 1000X, the scale in fig. 3 applies in the new photos as well.

T
Hans-Otto Baral, 27-03-2019 09:55
Hans-Otto Baral
Re : Disco on Bryophyte
Only the thin ascus wall reacts at the top! Like in Peziza!
And the paraphyses contain something yellow in the inflated apex, quite surely VBs.
Such VBs occur e.g. in Thelebolus, but that group has inamyloid asci.
Kosonen Timo, 27-03-2019 10:48
Kosonen Timo
Re : Disco on Bryophyte
Yep, the asci look strange to me, I don't connect them to Helotiales. It's reported as common (don't know the exact locality) in its whereabouts and there should be some recent (<1 month old) material coming in to TUR during Spring.

thanks,

Timo