Pinus longaeva, the
Great Basin bristlecone pine, is a long-living species of tree found in the higher mountains of the southwest
United States. The species is one of three closely related trees known as
bristlecone pines and is sometimes known as the
Intermountain or
Western bristlecone pine. One member of this species, at years old, is the oldest known living non-
clonal organism on
Earth. In 1987, it was designated one of
Nevada's
state trees.