Bryum undulatum (Hedw.) L. ex Funck Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Polytrichopsida order Polytrichales family Polytrichaceae genus Atrichum species Atrichum undulatum Name Homonyms Bryum undulatum (Hedw.) With. Bryum undulatum (Hedw.) Crome Bryum undulatum (Hedw.) L. ex Funck Bryum undulatum (Hedw.) L.