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Mountain Hemlock - Tsuga mertensiana

Arceuthobium spp.
( Dwarf Mistletoes )

Choristoneura spp.
( Budworms )

Columnocystis abietina
( Wound Parasites )

Echinodontium tinctorium
( Brown Stringy Trunk Rot )

Fomitopsis pinicola
( Brown Crumbly Rot )

Fusarium oxysporum
( Fusarium Root Rot )

Ganoderma applanatum
( White Mottled Rot )

Leptographium wageneri
( Black Stain Root Disease )

Melampsora spp.
( Melampsora Foliage Rusts )

Melanolophia imitata
( Green-striped Forest Looper )

Phellinus pini
( Red Ring Rot )

Phellinus tremulae
( Aspen Trunk Rot )

Rhizina undulata
( Rhizina Root Rot )

Scolytus spp.
( Engraver Beetles )

Stereum sanguinolentum
( Red Heart Rot )

Verticicladiella spp.
( Black Stain Root Disease )