Bryum caespiticium var. laxum Hook. & Wilson Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Bryophyta class Bryopsida order Bryales family Bryaceae genus Rosulabryum species Rosulabryum capillare Name Homonyms Bryum caespiticium var. laxum Warnst. Bryum caespiticium var. laxum Hook. & Wilson Bryum caespiticium f. laxum Podp.