Bryum liliputanum Bryhn & Ryan Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Bryales family Bryaceae genus Ptychostomum species Ptychostomum arcticum Name Homonyms Bryum liliputanum Müll.Hal. Bryum liliputanum Broth. Bryum liliputanum Broth. ex Ihsiba Bryum liliputanum Bryhn & Ryan