Zannichellia macrostemon J.Gay Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Potamogetonaceae genus Zannichellia species Zannichellia peltata Name Homonyms Zannichellia macrostemon J.Gay ex Willk. Zannichellia macrostemon J.Gay ex Lange, 1861 Zannichellia macrostemon J.Gay