Several names share this combination and are defined under the rules of the botanical code. The species name Vernoniaextensa might be an homonymy case.
Vernoniaextensa is the name of a species, part of the genus Vernonia.
This species has been described by DC. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code).
Botany
Vernoniaextensa is the name of a species, part of the genus Vernonia.
This name is an alternative combination by Wall. ex DC. of an original description of species by Wall. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Botany
