Barbula acuta var. rufescens (Schimp. ex Limpr.) Casares-Gil Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Bryophyta class Bryopsida order Pottiales family Pottiaceae genus Didymodon species Didymodon acutus Name Homonyms Barbula acuta var. rufescens (Schimp. ex Limpr.) Casares-Gil Barbula acuta f. rufescens (Schimp. ex Limpr.) Podp.