Orthodontium gracile Britton, Sterns & Poggenb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Bryales family Bryaceae genus Orthodontium species Orthodontium gracile Name Homonyms Orthodontium gracile (Wilson) Schwägr. ex B.S.G. Orthodontium gracile (Wilson ex Hook.) Schwägr. Orthodontium gracile (Wilson ex Hook.) Schwägr. ex Bruch & Schimp. Orthodontium gracile Schwaegr. ex Br.Eur.