Page author: Don Knoke
Pseudotsuga menziesii
WTU specimens
Other herbaria

Distribution: British Columbia to California, east to Alberta and Colorado

Habitat: Moist to dry areas from sea level to mid-elevations in the mountains, occasionally to timberline

Cones: April - May

Origin: Native

Conservation Status: Not of concern


Giant forest trees up to 90 m. tall, with drooping branches and erect leader.


Bark dark brown, rough, ultimately very thick; branchlets pubescent for several years.


Needles 2-3 cm. long, yellow-green to bluish-green, retained 7-10 years; two white stripes on the underside of the needles, none above.


Staminate cones sessile, 6-10 mm. long, yellow to reddish; ovulate cones ovoid, deciduous as a unit, 4-10 cm. long, pendent, yellowish- to purplish-green when young, becoming reddish-brown, soon deciduous; the bracts long-exerted, 4-7 mm. broad across the 3-lobed tip, the middle lobe much the longest.

Accepted Name:
Pseudotsuga menziesii (Mirb.) Franco
Publication: Bol. Soc. Brot. ser. 2, 24: 74. 1950.

Synonyms & Misapplications:
Abies menziesii Mirb.
Abies mucronata Raf.
Abies taxifolia Poir.
Pinus taxifolia Lamb.
Pseudotsuga douglasii (Lindl.) Carrière
Pseudotsuga mucronata (Raf.) Sudw.
Pseudotsuga taxifolia (Lamb.) Britton
var. menziesii    Washington and Oregon, coastal east to Nevada
Additional Resources:

PNW Herbaria: Specimen records of Pseudotsuga menziesii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Pseudotsuga menziesii checklist entry.

E-Flora BC: Pseudotsuga menziesii atlas page.

CalPhotos: Pseudotsuga menziesii photos.

USDA Plants: Pseudotsuga menziesii information.

63 photographs:
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