Cystopteris sikkimensis Ching Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Cystopteridaceae genus Cystopteris species Cystopteris dickieana Name Homonyms Cystopteris sikkimensis Ching ex Bir Cystopteris sikkimensis Ching