Bryum tetragonum (Hedw.) Brid. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Bartramiales family Bartramiaceae genus Conostomum species Conostomum tetragonum Name Homonyms Bryum tetragonum (Hedw.) Brid. Bryum tetragonum (Hedw.) Dicks.