Nephrodium tetragonum Hook. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Thelypteridaceae genus Goniopteris species Goniopteris lugubris Name Homonyms Nephrodium tetragonum C.Presl Nephrodium tetragonum Hook. Nephrodium tetragonum (Sw.) Keyserl. Nephrodium tetragonum Bojer