Bryum grandiflorum Arnell Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Bryales family Bryaceae genus Ptychostomum species Ptychostomum archangelicum Name Homonyms Bryum grandiflorum Arnold Bryum grandiflorum Arnell Bryum grandiflorum (H.Lindb.) Adlerz