Pinus flexilis, also known as the limber pine, has several synonyms that are commonly used. One of the most frequently used synonyms is the Rocky Mountain white pine. Other synonyms include the foothill pine, western white pine, and mountain pine. The limber pine is a slow-growing tree that is native to the mountains of North America and can survive in harsh environments. Its wood is used for building, furniture, and fuel, while its seeds are an important food source for wildlife. The limber pine is a beautiful and important species in the ecosystem, and it is important to preserve its natural habitat for future generations.