Ophioglossum elongatum R.Cunn. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Ophioglossales family Ophioglossaceae genus Ophioglossum species Ophioglossum petiolatum Name Homonyms Ophioglossum elongatum R.Cunn. ex A.Cunn. Ophioglossum elongatum R.Cunn.