Jeffrey's Pine (Pinus jeffreyi) is a tree that is native to the western United States. It is often found in mountainous regions and can grow up to 80 feet tall. The tree is named after John Jeffrey, a Scottish botanist who discovered it in the 1850s. There are a few synonyms for Jeffrey's Pine, including black pine, Oregon pine, and big pine. While these names may be used interchangeably, they can also refer to other species of pine trees, so it is important to be specific when discussing Jeffrey's Pine. This beautiful tree is a beloved part of the natural landscape in many parts of the United States.