Catharinea hirtella (Renauld & Cardot) Broth. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Polytrichopsida order Polytrichales family Polytrichaceae genus Atrichum species Atrichum oerstedianum Name Homonyms Catharinea hirtella (Renauld & Cardot) Broth.