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Trembling Aspen

Armillaria ostoyae
(Armillaria Root Disease)

Armillaria sinapina
(Armillaria Root Disease)

Chondrostereum purpureum
(Silver Leaf Disease)

Ciborinia whetzelii
(Ink Spot)

Cytospora chrysosperma
(Cytospora Canker)

Fomitopsis pinicola
(Brown Crumbly Rot)

Ganoderma applanatum
(White Mottled Rot)

Gleophyllum sepiarium
(Brown Cubical Sap Rot)

Heterobasidion annosum
(Annosus Root and Butt Rot)

Hypoxylon mammatum
(Hypoxylon Canker)

Laetiporus sulphureus
(Brown Cubical Rot)

Marssonina populi
(Marssonina Blight)

Melampsora albertensis
(Conifer - Aspen Rust)

Mycosphaerella populicola
(Other Broadleaf Foliar Diseases)

Phellinus tremulae
(Aspen Trunk Rot)

Venturia macularis
(Aspen and Poplar Leaf and Twig Blight)