Pogonatum urnigerum f. humile (Brid.) Boulay Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Polytrichopsida order Polytrichales family Polytrichaceae genus Pogonatum species Pogonatum urnigerum Name Homonyms Pogonatum urnigerum var. humile Brid. Pogonatum urnigerum subsp. humile J.Kickx f. Pogonatum urnigerum var. humile J.Kickx f. Pogonatum urnigerum f. humile (Brid.) Boulay