? fragile Hook.f. & Wils. Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Plantae phylum Bryophyta class Bryopsida order Pottiales family Pottiaceae genus Tortella species Tortella fragilis Name Homonyms ? fragile Roemer, 1841 ? fragile Stephenson, 1941 ? fragile Pia, 1937 ? fragile L. ? fragile Vidal, 1994