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25-02-2023 18:36

Elisabeth Stöckli

Bonsoir, Trouvé sur un tronc de Salix recouvert

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Åge Oterhals

I found this pyrenomycetous fungi in pine forest o

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Charles Aron Charles Aron

Hi All, I found this Octospora growing with liver

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Hi,Does anyone know what could this anamorph be?ht

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28-06-2025 16:00

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Hello.A tiny fungus shaped like globose black grai

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Dibeloniella - a nomencl. question
Viktorie Halasu, 19-12-2022 10:39
Viktorie HalasuHello,

I have a nomenclatural question:


When Nannfeldt (1932) created the genus Dibeloniella, he combined there Cenangium raineri de Not. (1841) as type species. Beloniella vossii (Rehm) Rehm is its synonym, so he listed it too, picking the older of the two epithets. No matter, whether the latter is based on Mollisia v. or Pyrenopeziza v., both were published in 1884. But IF lists also a combination Dibeloniella vossii (Rehm) Nannf., being made on the same page as D. raineri. Nannfeldt didn't explicitly made it, but as the type species of Dibeloniella he wrote "Beloniella vossii Rehm (= Cenangium raineri de Not.)". Is it possible, that he unintentionally combined M./P. vossii into Dibeloniella, too?


The only other (online) source I've found the combination D. vossii (Rehm) Nannf. is a manuscript version of Notes for genera: Ascomycota (Wijayawardene et al, 2017), in the published version Dibeloniella is only mentioned as a synonym of Mollisia, without its type species. Other treatments of the genus list D. raineri as the type (Hütter 1958; Müller et Défago 1967; Nauta et Spooner 2000).


I'm not actually working with the genus, just trying to understand the Code better.
Viktorie 

Hans-Otto Baral, 19-12-2022 11:11
Hans-Otto Baral
Re : Dibeloniella - a nomencl. question
Hi Viktorie

C. raineri is indeed much older than Mollisia vossii Rehm 1884, explaining Nannfeldt's choice for the combination. I assume the two names have different types, but I do not understand why Nannfeldt chose M. vossii (as Beloniella) as type.

In Nannfeldt 1932 p. 107 I also see no combination Dibeloniella vossii as suggested by IF, this must be an error. A combination must represent an association of genus and species epithet, it is not sufficient to say that an epithet belongs in a given genus.

More interesting than these nomenclatural things would be to understand what D. raineri is.

Zotto
Martin Bemmann, 19-12-2022 11:37
Martin Bemmann
Re : Dibeloniella - a nomencl. question
Hans-Otto Baral, 19-12-2022 12:05
Hans-Otto Baral
Re : Dibeloniella - a nomencl. question
Interessant, danke Martin.

Schaut mir irgendwie nach Spilopodia aus und wäre dann eine ältere Gattung!
James Mitchell, 19-12-2022 19:02
Re : Dibeloniella - a nomencl. question
You are right, Viktorie; while Nannfeldt listed the type species as Beloniella vossii (probably because it was this name that is the type of Dibelonis Clem. & Shear and because von Höhnel considered this the type species of "Beloniella Rehm" [https://www.biodiversitylibrary.org/item/26197#page/122/mode/1up] and so presumably the type of Belonopeziza Höhn.), he didn't actually associate the specific epithet "vossii"  with the generic name "Dibeloniella"; according to Article 35.2, this "name" is thus invalid. I have fixed it on MycoBank.