[Taxacom] priority: sectio vs. genus

[Thomas G. Lammers]

At 08:09 AM 11/12/2009, Karolina Fucikova wrote:
>this is a botanical code question and I hope someone can help me out. Here
>goes:
>In 1888, author X divided the genus Trochiscia into several sections. The
>name of one section, Dictyococcus, was never used since, as far as I know.
>Likely unaware of all that, in 1907, author Y erected a completely unrelated
>genus Dictyococcus that is still used and recognized as valid. Now, does the
>earlier name have any priority over the later one if it isn't the same
>rank?

Priority only operates within a rank.  The existence of Trochiscia sect. 
Dictyococcus X, 1888 has no impact on the genus Dictyococcus Y, 1907.


Thomas G. Lammers
Department of Biology and Microbiology
University of Wisconsin Oshkosh
http://www.uwosh.edu/departments/biology/Lammers.htm

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