Bryum parvulum Cardot Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Bryales family Bryaceae genus Ptychostomum species Ptychostomum cernuum Name Homonyms Bryum parvulum J.J.Amann Bryum parvulum Cardot Bryum parvulum Kindb. Bryum parvulum Broth. Bryum parvulum Dicks.