Drepanocladus exannulatus f. serratus Mönk. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Calliergonaceae genus Sarmentypnum species Sarmentypnum exannulatum Name Homonyms Drepanocladus exannulatus var. serratus (Milde) Loeske Drepanocladus exannulatus var. serratus (Milde) Mönk. Drepanocladus exannulatus f. serratus Mönk.