Bryum nigritum (Hedw.) With. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Catoscopiales family Catoscopiaceae genus Catoscopium species Catoscopium nigritum Name Homonyms Bryum nigritum (Hedw.) With. Bryum nigritum (Hedw.) Dicks.