Notocactus megapotamicus Osten Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Parodia species Parodia linkii Name Homonyms Notocactus megapotamicus Osten Notocactus megapotamicus Osten ex Herter