Cynanchum pusillum Spreng. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Orthosia species Orthosia virgata Name Homonyms Cynanchum pusillum Spreng. ex Fourn. Cynanchum pusillum Grubov Cynanchum pusillum Spreng.