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