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24-03-2026 21:37

Elisabeth Stöckli

Bonsoir,Sur bois (tronc) très pourri de conifère

24-03-2026 21:07

Ethan Crenson

Hello all, A friend collected this asco in a wood

24-03-2026 19:59

William Slosse William Slosse

Hello everyone,On 23/03/26, I found the following

21-03-2026 15:13

Lepista Zacarias

Hello everyone, Does any one know of any literatu

23-03-2026 20:16

Miguel Ãngel Ribes Miguel Ángel Ribes

Good eveningI'm unable to identify this Coprotus o

24-03-2026 15:44

Åge Oterhals

I hope someone can confirm the name of this collec

24-03-2026 11:58

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia, recolectado en c

23-03-2026 13:24

Paul Cannon

Could anyone provide me with a pdf of Auerswald's

20-10-2017 09:23

Garcia Susana

Este otro crecía en el mismo trocito de madera qu

21-03-2026 22:59

Petr Soucek

Good evening, I would appreciate some advice on th

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one more disco on resin
Guy Marson, 02-12-2014 10:27
Dear all,
I found an unknown (to me) discomycete species on resin of Pinus sylvestris. Bright yellow, 0.25 mm in diam. Although I only got very sparse material, it is just enough for a little portrait. The remaining stuff will be sequenced.
Spores: 16-22 x 6-7.5 µm, one celled (may be two-celled, when overmature). Asci (IKI neg.) 135 - 155 x 18 - 22 (fully turgescent). Hairs with a yellow pigment, dissolving in KOH, paraphyses small, not very capitate, septate, no exudates visible.. Any hint? Thanks in advance.
Cheers,
Guy
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Guy Marson, 02-12-2014 10:30
Re : one more disco on resin
more pics ..
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Guy Marson, 02-12-2014 10:42
Re : one more disco on resin
and more pics..
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Gernot Friebes, 02-12-2014 10:48
Re : one more disco on resin
Hi Guy,

that reminds me of this "Crumenulopsis" sp. that I found twice on branches of Pinus sylvestris. I showed my first find here: http://ascofrance.com/search_forum/8587. Maybe sequencing will tell us more?

Best wishes,
Gernot
Guy Marson, 02-12-2014 10:53
Re : one more disco on resin
tnx a lot
Guy Marson, 02-12-2014 11:02
Re : one more disco on resin
Thanks Gernot for your hint (und für den Wink mit dem Zaunpfahl;-).
I up-loaded more than 20 pics here, but can't see them.

Cheers,
Guy
Hans-Otto Baral, 02-12-2014 11:04
Hans-Otto Baral
Re : one more disco on resin
Yes of course, it is this marvellous discomycete without a generic and specific name.

But isn't it bark on which it grows? Probably close to resin, but is the resin blackened or fresh?

Yellow exudate is abundant and characteristic of this fungus, also on the hardly inflated paraphyses. Maybe you meant that no visible contents are in the paraphyses?

Yes, a sequence will hopefully lift the mystery about this fungus.

Zotto
Guy Marson, 02-12-2014 11:34
Re : one more disco on resin
another try to ad the missing pics
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Guy Marson, 02-12-2014 11:37
Re : one more disco on resin
ok, and some more pics..
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Guy Marson, 02-12-2014 11:41
Re : one more disco on resin
6 more pics
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Guy Marson, 02-12-2014 11:44
Re : one more disco on resin
and the last pics
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Hans-Otto Baral, 02-12-2014 15:17
Hans-Otto Baral
Re : one more disco on resin
I think this KOH-solubility of the exudate could run under ionomidotic.