The Tecate Cypress is the only plant on which the rare Thorne's Hairstreak (Callophrys gryneus thornei) lays its eggs.
Cupressus macrocarpa | Cupressus sempervirens | Cupressus | Cupressus abramsiana | ''Cupressus forbesii'' - Tecate Cypress bark,
at Guatay Mountain, Cuyamaca Mountains | Cupressus chengiana |