Lophophora echinata subsp. lutea Croizat Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Lophophora species Lophophora williamsii Name Homonyms Lophophora echinata var. lutea (Rouhier) Croizat