Index of new names of syntaxa published in 1989

The present work collects the new names of syntaxa (in the sense of the Code of Phytosociological Nomenclature,Barkman et al. 1986) above subassociation rank found in the literature received by the Library of the Conservatoire Botanique in Geneva. For the year 1989, 588 names have been listed. For each one of them, an appreciation about its validity is given relating to the Code of Nomenclature. 15 names are given in addition to the “Index 1987” (Theurillat etMoravec 1990) and 53 to the “Index 1988” (Theurillat etMoravec 1991).