Barbula gracilis var. rufescens Schimp. 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 gracilis var. rufescens Schimp. Barbula gracilis var. rufescens Schimp. ex Limpr.