Vegetation, PE&RC, Vegetation classification, Natuurbeheer en Plantenecologie, Plant Ecology and Nature Conservation, Plantenecologie en Natuurbeheer, Nature Conservation and Plant Ecology, Syntaxonomy, Azonal vegetation, Order, Algal communities, Alliance, International Code of Phytosociological Nomenclature, Thallophyte vegetation, Zonal vegetation, Bryoph...