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Cottonwood

Armillaria nabsnona
(Armillaria Root Disease)

Armillaria ostoyae
(Armillaria Root Disease)

Armillaria sinapina
(Armillaria Root Disease)

Chondrostereum purpureum
(Silver Leaf Disease)

Ciborinia whetzelii
(Ink Spot)

Fomes fomentarius
(White Spongy Trunk Rot)

Fomitopsis pinicola
(Brown Crumbly Rot)

Ganoderma applanatum
(White Mottled Rot)

Gleophyllum sepiarium
(Brown Cubical Sap Rot)

 Heterobasidion annosum
(Annosus Root and Butt Rot)

Linospora tetraspora
(Other Broadleaf Foliar Diseases)

Marssonina populi
(Marssonina Blight)

Melampsora occidentalis
(Conifer - Cottonwood Rust)

Mycosphaerella populicola
(Other Broadleaf Foliar Diseases)

Nectria cinnabarina
(Nectria Canker)

Perenniporia subacida
(Stringy Butt Rot)

Phellinus igniarius
(Hardwood Trunk Rot)

Pholiota populnea
(Yellow Laminated Butt Rot of Poplars)

Spongipellis delectans
(Brown Stringy Trunk Rot of Hardwoods)

Taphrina populi-salicis
(Other Broadleaf Foliar Diseases)

Venturia populina
(Aspen and Poplar Leaf and Twig Blight)