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The Kew Rule was used by some authors to determine the application of synonymous names in botanical nomenclature up to about 1906,<ref name=chron>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> but was and still is contrary to codes of botanical nomenclature including the International Code of Nomenclature for algae, fungi, and plants. Index Kewensis, a publication that aimed to list all botanical names for seed plants at the ranks of species and genus, used the Kew Rule until its Supplement IV was published in 1913 (prepared 1906–1910).<ref name=chron/>

The Kew Rule applied rules of priority in a more flexible way, so that when transferring a species to a new genus, there was no requirement to retain the epithet of the original species name, and future priority of the new name was counted from the time the species was transferred to the new genus.<ref name=Reveal>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The effect has been summarized as "nomenclature used by an established monographer or in a major publication should be adopted".<ref>{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref> This is contrary to the modern article 11.4 of the Code of Nomenclature.<ref>{{#invoke:citation/CS1|citation |CitationClass=book }}</ref>


Kew Rule sections
Intro  History   References   

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The Kew Rule was used by some authors to determine the application of synonymous names in botanical nomenclature up to about 1906,<ref name=chron>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> but was and still is contrary to codes of botanical nomenclature including the International Code of Nomenclature for algae, fungi, and plants. Index Kewensis, a publication that aimed to list all botanical names for seed plants at the ranks of species and genus, used the Kew Rule until its Supplement IV was published in 1913 (prepared 1906–1910).<ref name=chron/>

The Kew Rule applied rules of priority in a more flexible way, so that when transferring a species to a new genus, there was no requirement to retain the epithet of the original species name, and future priority of the new name was counted from the time the species was transferred to the new genus.<ref name=Reveal>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The effect has been summarized as "nomenclature used by an established monographer or in a major publication should be adopted".<ref>{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref> This is contrary to the modern article 11.4 of the Code of Nomenclature.<ref>{{#invoke:citation/CS1|citation |CitationClass=book }}</ref>


Kew Rule sections
Intro  History   References   

PREVIOUS: IntroNEXT: History
<<>>