Amaranthus giganteus L'Hér. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Amaranthaceae genus Amaranthus species Amaranthus cannabinus Name Homonyms Amaranthus giganteus L'Hér. Amaranthus giganteus Besser Amaranthus giganteus F.Dietr. Amaranthus giganteus L'Hér. ex Moq.