Thuja californica hort. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Pinopsida order Pinales family Cupressaceae genus Thuja species Thuja californica Name Homonyms Thuja californica K.Koch Thuja californica hort. ex Carrière, 1867 Thuja californica hort. Thuja californica Sénécl.