Gueldenstaedtia Neck. Dataset GBIF Backbone Taxonomy Rank GENUS Published in Elem. Bot. 2: 204 (1790) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Amaranthaceae genus Axyris Name Homonyms Gueldenstaedtia Fisch. Gueldenstaedtia Neck.