Twenty years of numerical syntaxonomy. - An outline for data analysis in phyto sociology: past and present. - Influences of the individualistic concept of vegetation on syntaxonomy. - Similarity measures for structured data: a general framework and some applications to vegetation data. - New combinatorial clustering methods. - On the use of grammars in vegetation analysis. - A new numerical solution to traditional phytosociological tabular classification. - Syntaxonomy of the Onopordum acanthium communities in temperate and continental Europe. - A coenocline of the high-ranked syntaxa of ruderal vegetation. - Ecological species groups in forest communities in South Belgium. - On the delimitation of the Mesobromion and Xerobromion in Belgium and French Lorraine. - Classification of South Swedish Isoetid vegetation with the help of numerical methods. - Syntaxonomy of the Australian mangai refined through iterative ordinations. - Numerical revision of the Fagion illyricum alliance. - Numerical syntaxonomy of the tall-forb and tall-grass communities in the Tatra Mountains. - Partitioning and elevation gradient of vegetation from southeastern Ethiopia by probabilistic methods. - Numerical phytosociology of the subalpine belt of the Kazbegi region Caucasus USSR. - Phytogeographical analysis of a treeline community in Northern Yukon (NW-Canada). Language: English