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22-08-2024 17:10

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,I have this collection of Ciboria gallincola

22-08-2024 17:59

Edvin Johannesen Edvin Johannesen

Hi!I just wonder if Peziza badia can exude plenty

20-08-2024 23:32

Alden Dirks

Any ideas on what this Leotiomycetes growing on Ph

03-08-2024 11:30

Pablo Chacón

Buenos días. He leido  los dos trabajos "Speci

21-08-2024 17:40

dit JERRY (Joseph-Ernest) THORN

Bonjour,Ce petit champignon vert a été récolté

18-08-2024 14:08

Pablo Chacón

Hola. De vuelta con otra Genea. . Llego a Pseudove

18-08-2024 23:25

Patrice TANCHAUD

Bonjour, récolte réalisée en décembre sur feu

16-08-2024 14:04

Viktorie Halasu Viktorie Halasu

Hello, for the first time I've collected a Mollis

18-08-2024 12:35

Pablo Chacón

Buenos días,Os presento una Scutellinia que piend

17-08-2024 18:49

Herrera Emerson Herrera Emerson

Hola, acabo de visitar una plantación de Teca y h

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Psilachnum or some Hyaloscyphaceae on hygric Sorbus wood
Filip Fuljer, 28-07-2022 11:34
Filip FuljerHello guys,

I recently collected some strange possibly Psilachnum species on decomposing fallen hygric branch of Sorbus aucuparia in (sub-)alpine region (High Tatras - Slovakia, 1350 m asl).
According to Raitviir's key, I assume, that it could be some Psilachnum species (on woody substrate). Please can someone help me with the precise identification ? Maybe Zotto will know ...
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Spores - narrowly ellipsoid to elongated ellipsoid, often with 2 bigger oil drops and many smaller ones, 9,1-10,8 x 3-3,8 µm
Asci - 8 spored, croziers present (Haken +), IKI+ bb
Paraphyses - filiform, with numerous oil content (oil drops)
Hairs - lanceolate, +- blunt, smooth
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Locality: https://en.mapy.cz/letecka?x=20.1573430&y=49.2161920&z=17&q=49.216150%2C%2020.157343&source=coor&id=20.157343%2C49.21615&ds=2

A lot thanks for any suggestions,
Filip
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Hans-Otto Baral, 28-07-2022 12:05
Hans-Otto Baral
Re : Psilachnum or some Hyaloscyphaceae on hygric Sorbus wood
Hi Filip

the hairs clearly refer this species to Hyaloscypha. I only wonder about the paraphysis content which is quite impossible here. Surely this is no oil, you can easily check this by adding 1-5% KOH (LBs resist in KOH).

If you have CRB (aqueous Crresyl Blue or Toluidine Blue) you can try to stain them, which needs some patience. Hyaloscypha vitreola has paraphyses with single guttules but these are SCBs which do not stain in CRB, whereas VBs which I presume here do stain turquoise.

Zotto