Protea sphaerocephala Willd. ex Spreng. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Proteales family Proteaceae genus Serruria species Serruria aemula Name Homonyms Protea sphaerocephala Houtt. Protea sphaerocephala Willd. ex Spreng. Protea sphaerocephala L. Protea sphaerocephala Thibaud ex Meisn. Protea sphaerocephala Thunb. Protea sphaerocephala Willd. Protea sphaerocephala Thibaud