Ectropothecium gracillimum Miit. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Pylaisiadelphaceae genus Isopterygium species Isopterygium tenerum Name Homonyms Ectropothecium gracillimum (Hornsch.) Mitt. Ectropothecium gracillimum Miit.