Cedrus is a genus of four species (only one or two variable species according to some authors) native in the mountains of northern Africa and Asia. All are cultivated in Europe, mostly for ornament but some also for timber.
Farjon A. (1990) Pinaceae: drawings and descriptions of the genera Abies, Cedrus, Pseudolarix, Keteleeria, Nothotsuga, Tsuga, Cathaya, Pseudotsuga, Larix and Picea. Regnum Vegetabile 121. Königstein, Koeltz Scientific Publications: 330 p.
Maheshwari P. & Biswas C. (1970) Cedrus. Botanical Monograph, 5 . New Delhi.