Bryum drepanocarpum H.Philib. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Bryales family Bryaceae genus Ptychostomum species Ptychostomum pallens Name Homonyms Bryum drepanocarpum H.Philib. ex Cardot & Thér. Bryum drepanocarpum H.Philib.