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20-07-2018 07:04

Blasco Rafael Blasco Rafael

Hola puede ser la Orbilia que priopongo ??sonre ma

23-07-2018 00:05

Debbie Klein Debbie Klein

My friend Alison Pollack saw and photographed thes

22-07-2018 16:21

Riet van Oosten Riet van Oosten

On Typha, found by a mushroomfriend. Used the key

21-07-2018 22:49

Elisabeth Stöckli

Bonsoir, Sur tige morte de Juncus (à 2'300 m), a

21-07-2018 17:32

Uwe Lindemann Uwe Lindemann

Hi Forum, I'm searching for the following paper:Ta

21-07-2018 11:02

Valencia Lopez Francisco Javier

Hola a todos/asTengo estas Escutellinia recolectad

19-07-2018 00:11

Thorben Hülsewig

Hi there,yesterday i found on ground this ascomyce

20-07-2018 22:52

Viktorie Halasu Viktorie Halasu

Hello forum,here's another Peziza close to exogela

13-07-2018 17:59

Viktorie Halasu Viktorie Halasu

Hello forum,we found this small Peziza (5-12 mm di

09-07-2018 20:27

Andgelo Mombert

Bonsoir à tous, Sur tige morte de Adenostyles sp

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Stamnaria sp 270717
Miguel Ángel Ribes, 06-09-2017 19:13
Miguel Ãngel RibesGood evening

Growing on Equisetum arvense, in Bygdim lake, Norway, 1.057 m, together with Roseodiscus rhodoleucus and probably R. equisetinus. I saw "in situ" Roseodiscus, but not this Stamnaria, who grows latter, probably at home.

Macro: Cup-shape apos, white-cream to very light orange, semi-transparent, very long stipe, (1052,3) 1159,9 - 2148,4 (2149) × (317,6) 372,1 - 499,2 (521,4) µm; N = 9; Me = 1560,7 × 429,5 µm.

Asci cylindrical, 8-spores, uniseriate, with croziers, IKI+, (231) 231,2 - 245,1 (245,7) × (10,6) 10,7 - 11,5 (13,2) µm; N = 7; Me = 238,5 × 11,4 µm.

Spores broadly elipsoid, hialine, plenty of small guttules, (16,7) 17,3 - 20,3 (22,2) × (9,9) 10,5 - 12,1 (12,9) µm; Q = (1,4) 1,44 - 1,8 (2,2) ; N = 52; Me = 18,6 × 11,3 µm ; Qe = 1,6.

Ectal excipulum with textura porrecta, more prismatica near the margin, but covering with a slim layer of textura gelatinosa.

Medullar excipulum and subhymenium more or less with textura intricata.

I think the nearest species is S. urceolata, but very pale and with a very broadly elipsoid spores.

Thank you for your help.

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Hans-Otto Baral, 06-09-2017 19:42
Hans-Otto Baral
Re : Stamnaria sp 270717
Hi Miguel Angel!

superb collection, and I agree it is close to "urceolata" (which is now the true S. persoonii), but spores are too large. However - your ascus measurements are from dead asci because the width is just the same as for the spores. You did not see any turgescent asci? The spores look pretty good, i.e. they do not appear to be overmature, but in S. persoonii I saw them only 7.5-9 µm wide.

How much apothecia do you have? I am sure Danny Haelewaters would like to take a sequence.

Zotto
Miguel Ángel Ribes, 06-09-2017 22:25
Miguel Ãngel Ribes
Re : Stamnaria sp 270717
Hi Zotto

No, none living asci, and few spores, not overmature sure.

Now the collection is dried, but I remember at least more than 30-40 apos. Give me the addres of Danny and I will sent him some sample.

Thank's a lot.
Hans-Otto Baral, 07-09-2017 12:08
Hans-Otto Baral
Re : Stamnaria sp 270717
I will send you his address by mail. Thanks! First I will ask him.