Botanical nomenclature is independent of zoological and bacteriological
nomenclature. The Code applies equally to names of taxonomic
groups treated as plants whether or not these groups were originally
so treated (see Pre. 7).
The application of names of taxonomic groups is determined by
means of nomenclatural types.
The nomenclature of a taxonomic group is based upon priority of
publication.
Each taxonomic group with a particular circumscription, position,
and rank can bear only one correct name, the earliest that is
in accordance with the Rules, except in specified cases.
Scientific names of taxonomic groups are treated as Latin regardless
of their derivation.
The Rules of nomenclature are retroactive unless expressly limited.