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Foliage Diseases

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Shoot, Twig & Bud Blights

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Stem Diseases

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Root Diseases

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Invasive Pathogens

Cedar Leaf Blight Thuja plicata
Dothistroma Needle BlightPinus contorta
Hardwood Leaf RustsMelampsora epitea
Hemlock-Blueberry RustNaohidemyces vaccinii 
Spruce Needle Casts/BlightsLirula macrospora
Spruce Needle RustChrysomyxa ledicola
Viburnum Leaf & Stem RustPuccinia linkii
Sirococcus Shoot Blight Sirococcus tsugae
Spruce Bud BlightsCamarosporium spp.
Spruce Bud RustChrysomyxa woroninii
Yellow-Cedar Shoot BlightKabatina thujae
Alder CankerValsa melanodiscus
Aspen Running CankerNeodothiora populina
Aspen Target CankerCytospora notastroma
Conifer Stem Decays Caused by several fungi
Diplodia GallDiplodia tumefaciens
Hardwood Stem DecaysCaused by several fungi
Hemlock CankerCaused by an unknown fungus
Hemlock Dwarf MistletoeArceuthobium tsugense 
Huckleberry Broom RustPucciniastrum goeppertianum
Spruce Broom RustChrysomyxa arctostaphyli
Western Gall RustEndocronartium harknessii 
Annosus/Heterobasidion Root & Butt Rot Heterobasidion occidentale
Armillaria Root DiseaseArmillaria spp.
Pholiota/Yellow-Cap FungusPholiota spp.
Tomentosus Root RotOnnia tomentosa
Invasive Pathogens All Pathogens