Acaulon muticum var. minus (Hook. & Tayl.) Br.Eur. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Bryophyta class Bryopsida order Pottiales family Pottiaceae genus Acaulon species Acaulon muticum Name Homonyms Acaulon muticum var. minus (Hook. & Taylor) Bruch & Schimp. Acaulon muticum var. minus (Hook. & Tayl.) Br.Eur.