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20-01-2018 09:21

Patrice TANCHAUD

Bonjour,récolte réalisée sur crotte de chien. S

20-01-2018 09:39

BERNARD CLESSE BERNARD CLESSE

Je vous envoie cette récolte, en pelouse bryo-lic

07-01-2018 17:37

Andrés Valverde Valera Andrés Valverde Valera

Je vous envoie quelques photos d'une Peziza que j'

15-01-2018 22:27

Claude Kaufholtz-Couture Claude Kaufholtz-Couture

Bonsoir à tous, Petite pause Scutellinia... je m

19-01-2018 11:13

Bernadette Lefèvre Bernadette Lefèvre

Bonjour à tous Dernièrement j' ai trouvé ces S

20-01-2018 17:24

Ueli Graf Ueli Graf

search literature aboutDasyscyphella montana Raitv

20-01-2018 12:22

Castillo Joseba Castillo Joseba

Peziza recolectada bajo QuercusPienso en  Peziza

20-01-2018 12:18

Castillo Joseba Castillo Joseba

Para identificarPienso en Helvella atra ?A ver que

16-01-2018 20:28

Blasco Rafael Blasco Rafael

Hola, a ver si me pueden ayudar con esta muestra,

19-01-2018 12:53

Castillo Joseba Castillo Joseba

Me mandan elmaterial secoEn madera sion determinar

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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.