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Title: (001–003) Proposals relating to the valid publication of new combinations, names at new rank, and replacement names (Art. 41)

Author
item GREUTER, WERNER - Mediterranean Herbarium, Palermo Botanic Garden
item Wiersema, John
item TURLAND, NICHOLAS - Botanischer Garten Und Botanisches Museum Berlin-Dahlem

Submitted to: Taxon
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 8/2/2016
Publication Date: 8/30/2016
Citation: Greuter, W., Wiersema, J.H., Turland, N.J. 2016. (334-336) Proposals relating to the valid publication of new combinations, names at new rank, and replacement names (Art. 41). Taxon 65:911-912.

Interpretive Summary: The International Code of Nomenclature for algae, fungi and plants is revised every six years to incorporate decisions of the Nomenclature Section of successive International Botanical Congresses (IBC) on proposals to amend the Code. The proposals in this paper will be considered at the IBC in Shenzhen, China in 2017, and seek to clarify some confusion involving some provisions of the Code. The proposed changes concern the provisions in the Code that apply to the creation of new names whose publication is achieved by reference to earlier names. This happens, for example, when a previously published species name is transferred to a new genus, or reduced in rank to a variety of another species. There are strict requirements on how the earlier name must be indicated, and modifications to some of these requirements are being proposed to allow for greater flexibility of interpretation.

Technical Abstract: The International Code of Nomenclature for algae, fungi and plants is revised every six years to incorporate decisions of the Nomenclature Section of successive International Botanical Congresses (IBC) on proposals to amend the Code. The proposals in this paper will be considered at the IBC in Shenzhen, China in 2017, and seek to clarify some confusion involving some provisions of the Code. The proposed changes concern the provisions that apply to the publication of new combinations, which are validly published by reference to earlier names. A problem arises after 1953 when the intent of an author was to publish a new combination by reference to an earlier name, but the reference to that earlier name is improper. A proposal removes this date limitation, allowing the new combination to be validly published. A second proposal removes a strict citation requirement for citing basionyms after 2007, allowing more flexibility in indicating them. The third proposal corrects an internal incongruity in the wording of one provision, permitting some additional basionyms to be accepted when they were only indirectly cited from a later publication than their original one, as long as certain conditions are met.