Thuja occidentalis var. plicata (Donn ex D.Don) Loudon Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Pinopsida order Pinales family Cupressaceae genus Thuja species Thuja plicata Name Homonyms Thuja occidentalis var. plicata (Donn ex D.Don) Loudon Thuja occidentalis var. plicata (Donn ex D.Don) Loudon ex Hoopes Thuja occidentalis var. plicata Mast.