Polysperma fluviatilis (L.) Vaucher, 1803 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Batrachospermales family Lemaneaceae genus Lemanea species Lemanea fluviatilis Name Homonyms Polysperma fluviatilis (L.) Vaucher, 1803