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29-03-2025 05:45

Ciboria / Rutstroemia (?)
Sebastien Basso

Hello, I'm conducting a mycological inventory in

21-04-2025 10:52

Ayuda con esta
Castillo Joseba Castillo Joseba

me mandan el material de Galicia (España), recole

18-04-2025 23:16

Mollisia
Robin Pétermann Robin Pétermann

Bonjour, Voici une probable Mollisia, genre que j

19-04-2025 20:48

Pyreno on Fagus sylvatica.
Per Marstad Per Marstad

Dear Ascofrance. I have not posted pyrenos for a l

19-04-2025 18:58

Korf & Lizon 2000
Michel Hairaud Michel Hairaud

Bonjour,Je recherche l'article suivant :  ... K

19-04-2025 08:51

Unknown pyrenomycetous fungus growing on cowberry
Henri Koskinen

Could you help me in the right direction with this

18-04-2025 21:54

Unknown aquatic pyrenomycete
Hartmut Schubert Hartmut Schubert

Hi Forum,I found this aquatic pyrenomycete a few d

16-04-2025 08:53

Anamorph on a leaf.
Josep Torres Josep Torres

Hello.An anamorph photographed under holm oaks thi

18-04-2025 17:13

Helotiales on herbaceous stems
Francois Guay Francois Guay

I found this interesting reddish Helotiales growin

18-04-2025 11:34

Gelatinosa en Acacia
Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia (España), r

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Ombrophila janthina 170424 647 ?? on Erica arborea from Madeira
Miguel Ángel Ribes, 01-08-2024 20:25
Miguel Ãngel RibesGood afternoon

This Ombrophila was growing in a very humid place on Erica arborea on the island of Madeira.


The asci are octosporic, with all the spores of similar size, weakly euamyloid and with croziers.


Cylindrical paraphyses with large VBs.


Medullary excipulum strongly gelatinous, with very fine hyphae and presence of crystals. Ectal excipulum with textura prismatica.


Spores ellipsoidal with 2 guttules, (5) 5.6 - 6.4 (6.9) × (3.1) 3.3 - 3.6 (4) µm; Q = (1.4) 1.6 - 1.9 (2.1) ; N = 88; Me = 6 × 3.4 µm ; Qe = 1.7


With Baral's keys I arrived at O. janthina by spore size, but my specimens do not have a stem.


Thanks in advance for your help.

Miguel Ángel Ribes

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Hans-Otto Baral, 01-08-2024 21:10
Hans-Otto Baral
Re : Ombrophila janthina 170424 647 ?? on Erica arborea from Madeira
Hi Miguel Angel

no, this is not O. janthina s. auct., which is on conifers and never has such two prominent LBs in the spores.

This belongs in a group of specimens on different angiosperms, the folder of which is currently "janthina - margarita angiosp 4.5-7.5 x 2.5-3.5 bigutt".

Available ITS sequences show that O. janthina s. auct. groups with O. pura whereas yours is in close relationship with "Neobulgaria" premnophila and "N." koningiana.

It would surely be interesting to know if yours has the same ITS as those finds from Europe.

Both premnophila and koningiana have larger spores as far as we know, about 8-11 x 3.5-4.5.

If you tell me the collection date I would properly name your pics in my folder.

Zotto
Miguel Ángel Ribes, 02-08-2024 22:29
Miguel Ãngel Ribes
Re : Ombrophila janthina 170424 647 ?? on Erica arborea from Madeira
Hi Zotto

I see in your folder that you have several similar collections.

This collection is from 04/17/2024, MAR 170424 647, on very wet Erica arborea wood practically submerged in a stream, in Ribeira do Seixal, Porto Moniz, Madeira, Portugal, at 570 m a.s.l.

Yes, I will surely be able to sequence the sample.

Thnk you.

Miguel Angel Ribes.