Rhytidium rugosum f. gracile (J.J.Amann) Podp. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Rhytidiaceae genus Rhytidium species Rhytidium rugosum Name Homonyms Rhytidium rugosum f. gracile (J.J.Amann) Podp. Rhytidium rugosum var. gracile J.J.Amann