Tsuga heterophylla
| Western hemlock | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Gymnospermae | 
| Division: | Pinophyta | 
| Class: | Pinopsida | 
| Order: | Pinales | 
| Family: | Pinaceae | 
| Genus: | Tsuga | 
| Species: | T. heterophylla | 
| Binomial name | |
| Tsuga heterophylla | |
| Natural range | |
Tsuga heterophylla, the western hemlock or western hemlock-spruce, is a species of hemlock native to the northwest coast of North America, with its northwestern limit on the Kenai Peninsula, Alaska, and its southeastern limit in northern Sonoma County, California. The Latin species name means 'variable leaves'.