Intertaxon relationships
Chamaecyparis lawsoniana (A.Murray bis) Parl. - Lawson's Cypress 
Cryptomeria japonica (Thunb. ex L. f.) D. Don - Sugi
Cupressus macrocarpa Hartw. ex Gordon - Monterey Cypress
Dacrycarpus dacrydioides (A.Rich.) de Laub. - Kahika
Dacrydium cupressinum Sol. ex G.Forst. - New Zealand Red Pine
Podocarpus totara G.Benn. ex D.Don - Totara
Pseudotsuga menziesii (Mirb.) Franco - Douglas-fir
Sequoia sempervirens (D. Don) Endl. - Coast Redwood
Thuja plicata Donn ex D. Don - Western Redcedar