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09-07-2020 00:39

Valencia Lopez Francisco Javier

Hola a todosEncontré este curioso ascomycete a me

10-07-2020 17:50

Garcia Susana

Hola, Me gustaría vuestra ayuda para identificar

07-07-2020 13:34

Sergey Markov

I found this peziza sp. on loamy soil - on the gro

08-07-2020 00:01

Shane John

I would ask the indulgence of the group to perhaps

08-07-2020 16:47

Chris Yeates Chris Yeates

Bonjour tous While searching for the downy mildew

10-07-2020 14:26

Thomas Læssøe

Anybody in the know of eg Pseudoneottispora?See: 

08-07-2020 19:01


Bonjour.Je ne remets plus la main sur mon tiré-à

08-07-2020 20:29

Juuso Äikäs

These were growing on a dead grass stalk in a fore

08-07-2020 18:21

Castillo Joseba Castillo Joseba

me mandan el material seco recolectado en mdera si

08-07-2020 10:59

Joanne Taylor

Hi there,Does anyone have a copy of the following

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Question on nomenclature
Thomas Lehr, 09-03-2005 17:01
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
Nicolas VAN VOOREN, 09-03-2005 17:32
Re:Question on nomenclature
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.
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!!