Barbula clavicostata (Renauld & Cardot) R.H.Zander Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Pottiales family Pottiaceae genus Hydrogonium species Hydrogonium orientale Name Homonyms Barbula clavicostata (Renauld & Cardot) R.H.Zander