Which large, widely distributed pine species is dominant on the west side of the Ochoco Mountains of Oregon?
Ochoco Mountains:  The dominant vegetation on the west side of the range is old-growth ponderosa pine; on the east side, western juniper is common. Pinus ponderosa: Pinus ponderosa, commonly known as the ponderosa pine, bull pine, blackjack pine, or western yellow-pine, is a very large pine tree species of variable habitat native to the western United States and Canada.
i don't know