Brachythecium laetum f. gracillimum (Molendo) Mönk. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Brachytheciaceae genus Brachythecium species Brachythecium laetum Name Homonyms Brachythecium laetum var. gracillimum Molendo Brachythecium laetum f. gracillimum (Molendo) Mönk.