Barbula japonica (Broth.) Ihsiba Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Pottiales family Pottiaceae genus Hydrogonium species Hydrogonium arcuatum Name Homonyms Barbula japonica (Broth.) Iisiba Barbula japonica (Broth.) Ihsiba