Thamnium alopecurum var. robustum Tolf Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Neckeraceae genus Thamnobryum species Thamnobryum alopecurum Name Homonyms Thamnium alopecurum var. robustum Tolf Thamnium alopecurum var. robustum Tolf ex G.Roth