Regulus calendula grinnelli W.Palmer, 1897 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Chordata class Aves order Passeriformes family Regulidae genus Regulus species Regulus calendula Name Synonyms Corthylio calendula grinnelli (W.Palmer, 1897) Homonyms Regulus calendula grinnelli W.Palmer, 1897