2016-02-152016-02-1519930214-4565http://hdl.handle.net/11441/34743Se describen un nuevo orden, alianza y clase fitosociológica de plantas acuáticas (Riellion, Riellecolia, Rielletea), y dos nuevas asociacIones (Riel/etum /íelicop/cyllae, Riellrtunc notauisii), caracterizadas por distintas especies del género Rielba Mont. Se aportan datos ecológicos de los habitat acoáticos que colonizan dichas for,naciones.A new alliance, order unid class (Rielliout, Rielletalia, Riel/erro), with two new associations (Riel/eruto helicoplcyllae, Riel/eruto noíorisii) are described. Both of them are charactenized by the preence of different species of the genus Riella Mont. Ecological data of te aquatic habitat in which they grow are also given.application/pdfspaAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/FitosociologíaHepáticas acuáticasRiellaEspañainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccess