Drepanocladus exannulatus f. calcareus Mönk. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Calliergonaceae genus Sarmentypnum species Sarmentypnum tundrae Name Homonyms Drepanocladus exannulatus f. calcareus Mönk.