Micropetalon Persoon, 1805 Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Caryophyllaceae genus Arenaria Name Homonyms Micropetalon A.Agassiz & H.L.Clark, 1907 Micropetalon Pers.