Bryum alpinum subsp. riparium (De Not.) Kindb. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Bryales family Bryaceae genus Bryum species Bryum riparium Name Homonyms Bryum alpinum subsp. riparium (De Not.) Kindb. Bryum alpinum subsp. riparium (I.Hagen) Podp.