Cycas riedlei Gaudich. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Voy. Uranie 434. 1829 Classification kingdom Plantae phylum Tracheophyta class Cycadopsida order Cycadales family Zamiaceae genus Macrozamia species Macrozamia riedlei Name Homonyms Cycas riedlei Gaudich. Cycas riedlei Dum.Cours.