Brachythecium rivulare f. frigidum (Mönk.) Podp. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Brachytheciaceae genus Brachythecium species Brachythecium rivulare Name Homonyms Brachythecium rivulare f. frigidum (Mönk.) Podp. Brachythecium rivulare var. frigidum Mönk.