Gymnostomum acaule Flörke Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Pottiales family Pottiaceae genus Pterygoneurum species Pterygoneurum subsessile Name Homonyms Gymnostomum acaule Flörke ex F.Weber & D.Mohr Gymnostomum acaule Flörke