Foxtail pine (Pinus balfouriana)
Foxtail pine is a rare pine that only occurs in California.
It has short needles that bunch together at the end of the branches giving them the appearance of a fox's tail and its name.
Photo Source: 124
Great Basin bristlecone pine (Pinus longaeva)
Limber pine (Pinus flexilis)
Rocky Mountain bristlecone pine (Pinus aristata)
Whitebark pine (Pinus albicaulis)