Asclepias tuberosa f. tuberosa Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Asclepias species Asclepias tuberosa Name Homonyms Asclepias tuberosa var. tuberosa Asclepias tuberosa f. tuberosa Asclepias tuberosa subsp. tuberosa