INTERNATIONAL CODE OF BOTANICAL NOMENCLATURE online (original) (raw)
DIVISION II. RULES AND RECOMMENDATIONS
CHAPTER I. TAXA AND THEIR RANKS
Article 2
2.1.Every individual plant is treated as belonging to an indefinite number of taxa of consecutively subordinate rank, among which the rank of species (species) is basic.
(c) 2006, by International Association for Plant Taxonomy. This page last updated 09.03.2007.