Ceratophyllum gibbum Laforet Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Ceratophyllales family Ceratophyllaceae genus Ceratophyllum species Ceratophyllum demersum Name Homonyms Ceratophyllum gibbum Laforet ex Nyman Ceratophyllum gibbum Laforet