? deltoidea Milde Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Dryopteridaceae genus Dryopteris species Dryopteris dilatata Name Homonyms ? deltoidea Hand.-Mazz. ? deltoidea Conrad, 1838 ? deltoidea Canavari, 1880