Calendula aegyptiaca subsp. microcephala Boiss. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Calendula species Calendula arvensis Name Homonyms Calendula aegyptiaca var. microcephala (Kral ex Rchb.) Boiss., 1875 Calendula aegyptiaca var. microcephala (Boiss.) Rawi