Taxon : journal of the International Association for Plant Taxonomy /.    Utrecht :  Berlin :  Vienna :  International Bureau for Plant Taxonomy and Nomenclature,  International Bureau for Plant Taxonomy and Nomenclature,  International Bureau for Plant Taxonomy and Nomenclature,  1956-2001
http://ceres.ingentaselect.com/vl=2204908/cl=24/nw=1/rpsv/cw/iapt/00400262/contp1.htm