Arenaria benthamii var. diffusa N.H.Williams Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Caryophyllaceae genus Arenaria species Arenaria benthamii Name Homonyms Arenaria benthamii var. diffusa F.N.Williams Arenaria benthamii var. diffusa N.H.Williams