The two species of Douglas fir--Rocky Mountain Douglas fir and Douglas fir--belong to the pine family. Some of the most commercially valuable lumber trees, Douglas firs regularly grow to 220 feet tall. As of 2000, a Douglas fir in Coos County, Oregon, measured 328 feet.
About this Author
A freelance writer, Judy Wolfe has owned Prose for the Pros, a freelance writing business, since 2006. She's been an inveterate traveler since 1961 and draws on her travel experiences to provide articles for such websites as Chincoteague Island Vacations and Berlin Dude. Wolfe holds a Bachelor of Arts in literature from California State University at Pomona.