The Cupressaceae The Cupressaceae: Monoecious or dioecious trees or shrubs comprising about 18 genera and 140 species. (Cupressaceae) http://www.botany.hawaii.edu/faculty/carr/cupress.htm
Cupressaceae Cupressaceae: Taxonomy, description, images, and species accounts. (Cupressaceae) http://www.botanik.uni-bonn.de/conifers/cu/index.htm