The Nomenclature Session of Madrid and the main modifications for the new version of the International Code of Nomenclature for Algae, Fungi, and Plants - Madrid Code

ABSTRACT

(The Nomenclature Session of Madrid and the main modifications for the new version of the International Code of Nomenclature for Algae, Fungi, and Plants - Madrid Code). We present the main decisions and modifications that will be introduced in the Madrid Code, accepted during the Nomenclature Section of the XX International Botanical Congress held in Spain in July 2024. Among the main modifications are the creation of a mechanism for voluntary registration of names and types of algae and plants; the establishment of Special-purpose Committees on types and typifications, DNA as nomenclatural type, ethics on nomenclature and ambiregnal organisms; the removal of a set of names based on a derogatory term; the possibility, starting in 2026, to propose the rejection of new names derogatory to groups of people; the change to a single institutional vote for each herbarium, and the creation of a permanent Editorial Committee for Fungi. These decisions will shape future guidelines and practices in nomenclature for algae, fungi, and plants in the next six years.

Keywords:
nomenclature; proposals; registration of names; special-purpose committees