Acnida altissima Ridd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Amaranthaceae genus Amaranthus species Amaranthus tuberculatus Name Homonyms Acnida altissima (Riddell) Moq. ex Standl. Acnida altissima Moq.