Hypnum densum Sw. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Prionodontaceae genus Prionodon species Prionodon densus Name Homonyms Hypnum densum Sw. ex Hedw. Hypnum densum Sw. Hypnum densum (Milde) Milde Hypnum densum (Hook.) Müll.Hal.