Arenaria purpurea Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Caryophyllaceae genus Arenaria species Arenaria rotundifolia Name Homonyms Arenaria purpurea Willd. ex D.F.K.Schltdl. Arenaria purpurea Pers. Arenaria purpurea Willd.