Psilopilum laevigatum f. nanum I.Hagen Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Polytrichopsida order Polytrichales family Polytrichaceae genus Psilopilum species Psilopilum laevigatum Name Homonyms Psilopilum laevigatum f. nanum I.Hagen