Lagarosiphon densus Ridl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Hydrocharitaceae genus Lagarosiphon species Lagarosiphon madagascariensis Name Homonyms Lagarosiphon densus Rendle. Lagarosiphon densus Ridl.