Chamaecyparis nootkatensis
- Photos, range map, taxonomic notes, physical description, dendrochronology, and ethnobotany of the tree known commonly as Alaska yellow-cedar, Alaska cedar, yellow cypress, Nootka cypress, or Alaska cypress.
- http://www.biologie.uni-hamburg.de/b-online/earle/cu/ch/nootkatensis.htm

Chamaecyparis
- Description of the genus and its five species.
- http://www.conifers.org/cu/ch/

Chamaecyparis thyoides
- Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology.
- http://www.fs.fed.us/database/feis/plants/tree/chathy/

Chamaecyparis lawsoniana
- Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology.
- http://www.fs.fed.us/database/feis/plants/tree/chalaw/