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29-06-2016 15:18

Per Vetlesen

HiIt was found on the bark of a dead branch of Jun

07-01-2018 22:47

Per Vetlesen

Grown in moist chamber on bark/resin of fallen Pin

06-04-2026 15:04

David Chapados David Chapados

Hi! Could someone help me identifying this specim

06-04-2026 21:36

Viktorie Halasu Viktorie Halasu

Hello, could anyone please send me the article wi

06-04-2026 19:40

David Gibbs David Gibbs

Help with this one much appreciated, on rotting Fa

06-04-2026 11:07

Louis DENY

Bonjour forum, Trouvé sur bois de feuillu très d

06-04-2026 16:24

Juuso Äikäs

Last Tuesday I found some tiny white Helotiales gr

05-04-2026 13:33

Sylvie Le Goff

Bonjour à tousPuis avoir votre avis sur ce champi

05-04-2026 20:40

Robin Isaksson Robin Isaksson

Hi!Found i Japan on bark of Abies sp. Spores 35-4

06-04-2026 08:15

Lothar Krieglsteiner Lothar Krieglsteiner

some days ago, on the lower surface of leaf of Que

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Xerombrophila crystallifera?
Edvin Johannesen, 30-10-2018 18:22
Edvin JohannesenI suspect that I have Xerombrophila crystallifera, collected in a previously flooded arae with deciduous trees, incl. Salix. Apothecia break through the bark in a fasciculate manner. White pruina on excipulum (crystals). Ectal excipulum (?) cells prismatic. Medullary excipulum gelatinised. Pictures are of crystals and prismatic cells in water. Asci, paraphyses and spores in Congo red. Blue ascus pore in Lugol. All photos 1000x oil imm. Scale 1 micron. Hans-Otto, you described the species (and genus). Can you confirm? I do not have your 2013 paper (would love to have it, if possible).  Thanks.
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Wendy Untereiner, 30-10-2018 18:39
Re : Xerombrophila crystallifera?
Dear Edvin,

As per your request.

WAU
Edvin Johannesen, 30-10-2018 18:47
Edvin Johannesen
Re : Xerombrophila crystallifera?
Thanks a lot (got it by email) :-)
Edvin Johannesen, 30-10-2018 19:14
Edvin Johannesen
Re : Xerombrophila crystallifera?
By the way, it was found northwest of Trondheim in Mid-Norway, so it would be a significant jump in the known distribution of the species.
Hans-Otto Baral, 30-10-2018 22:25
Hans-Otto Baral
Re : Xerombrophila crystallifera?
Yes of course it is this species. You found it this month? Because you figured only dead elements.

I assume it was a standing dead branch? Very probably it was Salix, as always.

Indeed it is the first record from Scandinavia known to me.
Zotto
Edvin Johannesen, 30-10-2018 22:40
Edvin Johannesen
Re : Xerombrophila crystallifera?
It was collected in June and sent to me a few weeks ago, so I guess you are right it is all dead. I am not so trained in judging dead or alive.  Thanks for the confirmation! :-)
Hans-Otto Baral, 30-10-2018 22:43
Hans-Otto Baral
Re : Xerombrophila crystallifera?
Is your Congo Red aqueous or other? The species survives for some time in the dry state, maybe even months, at least the spores.
Edvin Johannesen, 31-10-2018 00:14
Edvin Johannesen
Re : Xerombrophila crystallifera?
Yes, in water. From Micro Science.