Ptychomitrium serratum Mitt. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Grimmiales family Ptychomitriaceae genus Ptychomitrium species Ptychomitrium mittenii Name Homonyms Ptychomitrium serratum Bruch & Schimp. Ptychomitrium serratum Mitt.