More recently, Farjon et al. (2002) transferred it to a new genus Xanthocyparis, together with the newly discovered Vietnamese Golden Cypress Xanthocyparis vietnamensis; this species is remarkably similar to Nootka Cypress and the treatment has many arguments in its favour, as while they are not related to Chamaecyparis, neither do they fit fully in Cupressus despite the many similarities.
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It is one of the parents of the hybrid Leyland Cypress; as the other parent, Monterey Cypress, is also in genus Cupressus, the ready formation of this hybrid is a further argument for the placement of the Nootka Cypress close to Cupressus.
Cupressus macrocarpa | Cupressus sempervirens | Cupressus | Cupressus abramsiana | ''Cupressus forbesii'' - Tecate Cypress bark,
at Guatay Mountain, Cuyamaca Mountains | Cupressus chengiana |