Pseudotsuga menziesii var. glauca (Beissn.) Franco
Family: Pinaceae
Rocky Mountain Douglas-fir
[Pseudotsuga flahaultii Flous,  more]
Pseudotsuga menziesii var. glauca image
Tony Frates  
Trees to 40(--50)m; trunk to 1.2m diam. Leaves bluish green to dark green or gray-green. Seed cones 4--7cm; bracts spreading, often reflexed. 2 n =26. Coniferous or mixed forests; 600--3000m; Alta., B.C.; Ariz., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Tex., Utah, Wash., Wyo.; Mexico.