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26-11-2020 20:43

Marek Capoun Marek Capoun

Hello everybody, I need help with the determinatio

27-11-2020 07:51

Zuidland Peter

Can I get help with this small pyrenomycete please

27-11-2020 07:48

Zuidland Peter

Can I get help with this small pyrenomycete please

26-11-2020 20:46

Sven Heinz Sven Heinz

Hello together, i'm looking for the literature Hu

04-11-2018 12:06

Thorben Hülsewig

Hi there, two days ago i found this Hymenoscyphus

25-11-2020 10:03

Garcia Susana

Hola, Recogí estos ascomas en un trozo de madera

24-11-2020 20:29

Riet van Oosten Riet van Oosten

Hello, Found by Gert Kremer, Nov. 2020, The Nethe

20-11-2020 11:30

Enrique Rubio Enrique Rubio

Does anyone have a pdf on this fungus?Sphaeronaeme

24-11-2020 20:23

William Slosse William Slosse

Hello all,could this be Cyathicula pallida?J+With

23-11-2020 17:16

Edvin Johannesen Edvin Johannesen

This very small (ca. 1 mm when disck is open), bea

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Ombrophila violacea?
Marek Capoun, 26-11-2020 20:43
Marek CapounHello everybody, I need help with the determination of an Ombrophila on the fallen trunk (Alnus, probably, or Acer, maybe). Collected 1.11.2020, altitude cca 300 meters.
I thought it could be Ombrophila violacea or O. pura, but the ascospores are smaller than they should be.
Apos max. 6 mm on average, sessile or very shortly stalked, pink or rather pinkish white. Medullary excipulum gelified, in the tissue found conidiophores (really?). Ectal excipulum with text. prismatica (with incrustation?). Ascospores ellipsoid, (5.3) 5.7 - 6.6 (7.6) × (3.5) 3.7 - 4.1 (4.2) µm with 2 LBs and sometimes some others smaller.
There was some apos last year on that place too, on this same substrate and at the same time, but it was not examined by microscopy then.
Are such information and photos sufficient for a determination?
Thanks a lot.
Marek
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Hans-Otto Baral, 26-11-2020 22:16
Hans-Otto Baral
Re : Ombrophila violacea?
Yes, I guess this belongs in the scope of O. violacea. There are samples in my folder that are close: VII.2013 and IX.2014.

But I ask myself how heterogeneous this complex would be when sequenced.

There are no conidiophores in the medulla, this must be hyphae with exudate or crystal sheath.

Alnus and Acer are easily distinguished by wood anatomy.

Zotto
Marek Capoun, 26-11-2020 23:30
Marek Capoun
Re : Ombrophila violacea?
Dear Zotto, thanks for the post, confirmation and correction, and special thanks for placing my photos into your folders ;) Well, and I'm going to learn the anatomy of wood :))
Marek
Hans-Otto Baral, 27-11-2020 08:22
Hans-Otto Baral
Re : Ombrophila violacea?
Radial, tangential and cross sections would promptly show if it is Alnus or Acer or something else.