Bristlecone Pine
Official State Tree of Nevada
Nevada designated bristlecone pine as an official state tree in 1987 (single-leaf piñon was the first tree symbol of Nevada, adopted in 1953). All State Trees
From Nevada Legislature: "The bristlecone pine (Pinus longaeva) is the oldest living thing on Earth, with some specimens in Nevada more than 4,000 years old. The tree can be found at high elevations.