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27-02-2026 11:21

Nemania diffusa complex
Yannick Mourgues Yannick Mourgues

Hi to all. Here is a specie that can may be relat

18-03-2026 13:09

Orbilia on Celtis occidentalis
Khomenko Igor Khomenko Igor

I recently examined Celtis occidentalis branches

18-03-2026 18:42

Arthothelium sp.
Gonzalez Garcia Marta

I have collected some lyre-shaped apothecia on the

18-03-2026 17:22

Literature search
Katarina Pastircakova

Hi there,I'm looking for the following literature:

27-11-2025 15:41

Hysteriales (Mytilinidion mytilinellum??) on Larix cone, with too? big spores - Denmark
Thomas Læssøe

Spores brownish, typically 4-celled; 26.8 x 2.4;

18-03-2026 11:52

Gnomonioid on petiole of Acer pseudoplatanus with 3-septate ascospores, Denmark
Thomas Læssøe

https://svampe.databasen.org/observations/10493688

11-03-2026 17:36

Help for Genus and Species ID
Michel Hairaud Michel Hairaud

Bonjour, Je cherche des indices  pour cette réc

17-03-2026 10:40

Geopora sumneriana
Martine Vandeplanque Martine Vandeplanque

Bonjour à tous.Chaque année en mars ou avril, il

17-03-2026 19:41

Pyréno sur branche morte de chêne
Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Pourriez-vous m'aider à

12-03-2026 19:44

Ostropoloid fungus on Hibiscus
Enrique Rubio Enrique Rubio

Hi to everybody.Can you give me any suggestions ab

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Orbilia
Bometon Javier, 12-03-2023 20:35
Bometon JavierEn Prunus dulcis

Esporas 5-6 um X 2 um

Puede ser Orbilia eucalypti?

Saludos

Javier
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Hans-Otto Baral, 12-03-2023 20:54
Hans-Otto Baral
Re : Orbilia
Saludos Javier!

the pics are a bit small but I agree. Genetically a diverse species but without DNA I see no possibility for another name.

Zotto
Stefan Jakobsson, 14-03-2023 00:00
Re : Orbilia
Is O. eucalypti so diverse that also this one would fit in? The spores are globose 2.9-3.5 × 2.6-3.3 µm (in asci in water). The dots I thought to be SBs seem to survive also in ammoniacal CR, so I suppose they are LBs. The asci are 37-49 × 6.3-8.3 µm.

They were growing on deteriorated bark of a branch of Salix pentandra half a meter above the snow cover.

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Bometon Javier, 14-03-2023 07:17
Bometon Javier
Re : Orbilia
Muchas gracias por su respuesta Zotto, veo que es una especie muy variable.

Saludos

Javier
Hans-Otto Baral, 14-03-2023 09:00
Hans-Otto Baral
Re : Orbilia
No no Stefan, this is Helicogonium orbiliarum, nicely documented with bifurcate ascus bases. Only indistinctly you can see starting conidial formation inside the only living ascus on your pics. The host Orbilia could be O. aurantiorubra? Perhaps you can find uninfected apothecia?

Is this a recent find? I would like to put a date to it.
Stefan Jakobsson, 14-03-2023 13:31
Re : Orbilia
Thank you, that is a much better match! I tried to find asci belonging to the Orbilia but in vain. It was collected a couple of days ago, on the 12th of March. The location is here:

http://tun.fi/JX.1536617#5