This paper presents relevant information on some important topics discussed during the Nomenclature Section of the International Association for Plant Taxonomy (IAPT), held from July, 23-30, 1999, in St. Louis, Missouri (USA). Comments are made on some proposals (both accepted and rejected) to modify the International Code of Botanical Nomenclature. A list of all the members of the IAPT board and officials, as well as all the members of the diferent committees, including the Editorial Committee of the new Code (St. Louis Code) are also presented.
nomenclature; St. Louis Code; IAPT