Heurnia Spreng. Dataset GBIF Backbone Taxonomy Rank GENUS Published in Anleit. ii. I. 488 (1817). Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Asclepiadaceae genus Heurnia Name Homonyms Heurnia de Jong, 1926 Heurnia R.Br. ex K.Schum. Heurnia Spreng.