Polypodium alpinum Wulfen Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Cystopteridaceae genus Cystopteris species Cystopteris alpina Name Homonyms Polypodium alpinum Wulfen Polypodium alpinum (Bolton) With. Polypodium alpinum (Lam.) Jacq. Polypodium alpinum Lam. Polypodium alpinum L.