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31-07-2025 16:32

Andreas Gminder Andreas Gminder

Dear collegues,today I found on a very fresh fire

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Bohan Jia

Hi together,  I've been looking posts in AscoFra

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Stefan Jakobsson

On a decorticated twig of Alnus incana on moist so

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Bernard CLESSE Bernard CLESSE

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

29-07-2025 18:59

Castillo Joseba Castillo Joseba

Me mandan el  material seco de Galicia, España,

28-07-2025 12:34

Enrique Rubio Enrique Rubio

Hi to everybody.I would appreciate any ideas about

28-07-2025 04:59

Richard Droker

Growing on resin (over moss on Tsuga heterophyll)l

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Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

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Andgelo Mombert Andgelo Mombert

Bonjour,Un petit discomycète qui me résiste. Il

24-07-2025 19:02

Castillo Joseba Castillo Joseba

De esta mañana en tronco caido de Haya A ver si

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Question on nomenclature
Thomas Lehr, 09-03-2005 17:01
Hello,
I have a question concerning the author citation in case of a new combination.
Art. 33.2. of the International Code of Botanical Nomeclature (ICBN) says: "A new combination, or an avowed substitute (nomen novum), published on or after 1 January 1953, for a previously and validly published name is not validly published unless its basionym (name-bringing or epithet-bringing syn-onym) or the replaced synonym (when a new name is proposed) is clearly indicated and a full and direct reference given to its author and place of valid publication with page or plate reference and date."
But what is going to happen with new combinations before 1953?
Let's have a look at an example, which was the concrete reason for my question:
Ciboria coryli was described by Schellenberg the first time as Sclerotinia coryli (1906). In 1943 Buchwald published the new combination Ciboria coryli in an article on Monilinia fructigena. He did it just in a footnote, which does not stand in direct connection to Schellenbergs article of 1906. The footnote says just: "Sclerotinia coryli Schellenb. er i Virkeligheden slet ikke en Sclerotinia-Art, men bør henføres til Ciboria, C. coryli (Schellenb.) comb. nov." That means that there is no "full and direct reference given to its author and place of valid publication with page or plate reference and date" as the ICBN demands. Is the new combination nevertheless valid because published before 1953? Or do we have to refer to Whetzel (1947), who gives a full reference to Schellenbergs article?
Ciboria coryli (Schell). Buchw. 1943 or (Schell.) Whetz. 1947?
Thanks for every information and greetings from Germany
Thomas
Nicolas VAN VOOREN, 09-03-2005 17:32
Nicolas VAN VOOREN
Re:Question on nomenclature
Hello.
It means that before 1953 (january, 1st) the citation of the basionym isn't mandatory. So the correct citation for Ciboria coryli is Ciboria coryli (Schell.) Buchw.
Regards.
Nicolas
Thomas Lehr, 09-03-2005 17:43
Re:Question on nomenclature
Hello Nicolas,
long question, short answer ... :-)
Thanks a lot for your fast and precise help!!
Greetings
Thomas