Bryum pseudostirtonii H.Philib. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Bryales family Bryaceae genus Ptychostomum species Ptychostomum creberrimum Name Homonyms Bryum pseudostirtonii H.Philib. ex Cardot & Thér. Bryum pseudostirtonii H.Philib.