Isopterygium argyroleucum Müll.Hal. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Pylaisiadelphaceae genus Isopterygium species Isopterygium argyroleucum Name Homonyms Isopterygium argyroleucum Müll.Hal. ex Besch. Isopterygium argyroleucum Müll.Hal.