Thuja californica Sénécl. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Conifer. Monogr.: 191 (1867) Classification kingdom Plantae phylum Tracheophyta class Pinopsida order Pinales family Cupressaceae genus Thuja species Thuja plicata Name Homonyms Thuja californica K.Koch Thuja californica hort. ex Carrière, 1867 Thuja californica hort. Thuja californica Sénécl.