Hookeria tomentosa (Hedw.) Arnell Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnodendrales family Racopilaceae genus Racopilum species Racopilum tomentosum Name Homonyms Hookeria tomentosa (Hedw.) Arn. Hookeria tomentosa (Hedw.) Arnell