Macromitrium nanothecium Müll.Hal. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Orthotrichales family Orthotrichaceae genus Macromitrium species Macromitrium nanothecium Name Homonyms Macromitrium nanothecium Müll.Hal. ex Cardot Macromitrium nanothecium Müll.Hal.