Calendula microcephala Kralik Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Calendula species Calendula arvensis Name Homonyms Calendula microcephala Lange Calendula microcephala Kralik ex Rchb. Calendula microcephala Lange ex Ficalho, 1883 Calendula microcephala Kralik