Brachythecium populeum var. cataractarum Velen. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Brachytheciaceae genus Sciuro-hypnum species Sciuro-hypnum populeum Name Homonyms Brachythecium populeum var. cataractarum Velen. Brachythecium populeum f. cataractarum (Velen.) Podp.