Trichostomum longifolium (Griff.) Broth. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Pottiales family Pottiaceae genus Chionoloma species Chionoloma tenuirostre Name Homonyms Trichostomum longifolium Brid. Trichostomum longifolium (Griff.) Broth.