Gaertneria tenuifolia Harv. & A.Gray Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Ambrosia species Ambrosia confertiflora Name Homonyms Gaertneria tenuifolia Harv. & A.Gray Gaertneria tenuifolia Kuntze