Cerastium diffusum var. diffusum Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Caryophyllaceae genus Cerastium species Cerastium diffusum Name Homonyms Cerastium diffusum var. diffusum Cerastium diffusum subsp. diffusum