Definition that contains douglas fir
- big-cone douglas fir douglas fir of California having cones 4-8 inches long
- pseudotsuga douglas fir; closely related to genera Larix and Cathaya
- big-cone spruce douglas fir of California having cones 4-8 inches long
- pseudotsuga macrocarpa douglas fir of California having cones 4-8 inches long
- genus pseudotsuga douglas fir; closely related to genera Larix and Cathaya