Plagiothecium platyphyllum f. fluitans Mönk. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Plagiotheciaceae genus Plagiothecium species Plagiothecium platyphyllum Name Homonyms Plagiothecium platyphyllum f. fluitans Mönk.