Gaertneria tomentosa (Nutt.) Heller Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Ambrosia species Ambrosia tomentosa Name Homonyms Gaertneria tomentosa (Nutt.) Heller Gaertneria tomentosa (A.Gray) Kuntze Gaertneria tomentosa (Nutt.) A.Nelson