Cycas aurea hort. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Cycadopsida order Cycadales family Cycadaceae genus Cycas species Cycas siamensis Name Homonyms Cycas aurea hort. ex J.Schust. Cycas aurea hort. Cycas aurea J.Verschaff.