Rhamnus cathartica var. dahurica (Pall.) Maxim. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rhamnaceae genus Rhamnus species Rhamnus ussuriensis Name Homonyms Rhamnus cathartica var. dahurica (Pall.) Maxim.