Trichostomum orthodontum (Müll.Hal.) Broth. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Pottiales family Pottiaceae genus Chionoloma species Chionoloma orthodontum Name Homonyms Trichostomum orthodontum (Müll.Hal.) Broth.