Atrichum oerstedianum (Müll.Hal.) Nyholm Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Polytrichopsida order Polytrichales family Polytrichaceae genus Atrichum species Atrichum oerstedianum Name Homonyms Atrichum oerstedianum (Müll.Hal.) Mitt. Atrichum oerstedianum (Müll.Hal.) Nyholm