After Earle, 2002
<==o Cupressus Linnaeus 1753 (aitosypressit) [16 sp.] |-- C. arizonica Greene 1882 |-- C. atlantica Gaussen 1950 |-- C. bakeri Jepson 1909 |-- C. chengiana Hu 1964 |-- C. duclouxiana Hickel |-- C. dupreziana Camus 1926 |-- C. funebris Endlicher |-- C. gigantea Cheng & Fu 1975 |-- C. goveniana Gordon 1849 |-- C. guadalupensis Watson 1879 |-- C. lusitanica Miller 1768 |-- C. macnabiana A. Murray 1855 |-- C. macrocarpa Hartweg 1847 |-- C. sargentii Jepson 1909 |-- C. sempervirens Linnaeus `-- C. torulosa D.Don
Reference(s):
- Earle, C. J., 2002-: Cupressaceae.
–iNet: The Gymnosperm Database: http://www.conifers.org