Ptychomitrium polyphyllum (Sw.) Br.Eur. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Grimmiales family Ptychomitriaceae genus Ptychomitrium species Ptychomitrium polyphyllum Name Homonyms Ptychomitrium polyphyllum (Dicks.) Bruch & Schimp. Ptychomitrium polyphyllum (Sw.) Br.Eur.