[Conifers of the Columbia River Gorge of Oregon and Washington]

Hemlocks of the Columbia River Gorge of Oregon and Washington

The Genus Tsuga

Black Hemlock, Mountain Hemlock: Tsuga mertensiana (Synonyms: Abies hookeriana, Abies mertensiana, Hesperopeuce mertensiana, Picea hookeriana, Tsuga crassifolia, Tsuga mertensiana ssp. mertensiana)

The upper portion of mountain hemlock (Tsuga mertensiana) as seen at treeline at Crystal Lake on the western slopes of Mt. Adams........September 25, 2005. This species may be found from about 4000' up to treeline.

Western Hemlock, Pacific Hemlock, Lowland Hemlock: Tsuga heterophylla (Synonym: Abies heterophylla) -

Black Hemlock, Mountain Hemlock: Tsuga mertensiana (Synonyms: Abies hookeriana, Abies mertensiana, Hesperopeuce mertensiana, Picea hookeriana, Tsuga crassifolia, Tsuga mertensiana ssp. mertensiana) -


Paul Slichter