[The Pine Family in the Cascade Mountains of Oregon and Washington]

Hemlocks of the Cascade Mountains 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)

Mountain Hemlock: Tsuga mertensiana

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

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


Paul Slichter