The threatened taxon of community importance Ligularia sibirica (L.) Cass. is one of the many glacial relicts common
in eutrophic and oligotrophic wetlands preserved in Romania. The aim of this paper is to make a brief description of the
studied taxa, its taxonomic and coenotic framing in the two bioregions where is present in our country, respectively
alpine and continental regions. Also was made the coenotaxonomical classification of association were Ligularia
sibirica (L.) Cass. can be found, important for the next field studies of the relict.