Symphyodon asper var. mamosum Dixon Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Symphyodontaceae genus Symphyodon species Symphyodon echinatus Name Homonyms Symphyodon asper var. mamosum Dixon ex Gangulee Symphyodon asper var. mamosum Dixon