| Chamaecyparis lawsoniana | |
|---|---|
| |
| Old-growth stand of C. lawsoniana in California | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Gymnospermae |
| Division: | Pinophyta |
| Class: | Pinopsida |
| Order: | Cupressales |
| Family: | Cupressaceae |
| Genus: | Chamaecyparis |
| Species: | C. lawsoniana
|
| Binomial name | |
| Chamaecyparis lawsoniana | |
| |
| Natural range of Port Orford cedar | |
Chamaecyparis lawsoniana, known as Port Orford cedar[2] or Lawson cypress,[3] is a species of conifer in the genus Chamaecyparis, family Cupressaceae. It is native to Oregon and northwestern California, and grows from sea level up to 4,900 feet (1,500 m) in the valleys of the Klamath Mountains, often along streams.
- ^ Farjon, A. (2013). "Chamaecyparis lawsoniana". IUCN Red List of Threatened Species. 2013: e.T34004A2840024. doi:10.2305/IUCN.UK.2013-1.RLTS.T34004A2840024.en. Retrieved 13 November 2021.
- ^ USDA, NRCS (n.d.). "Chamaecyparis lawsoniana". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 22 March 2015.
- ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.