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Yellow Decay 

Armillaria ostoyae
(Armillaria Root Disease)

Armillaria sinapina
(Armillaria Root Disease)

Armillaria gallica
(Armillaria Root Disease)

Armillaria cepistipes
(Armillaria Root Disease)

Armillaria nabsnona
(Armillaria Root Disease)

Ceriporiopsis rivulosa
(White Butt Rot/White Laminated Rot)

Echinodontium tinctorium
(Brown Stringy Trunk Rot)

Fomes fomentarius
(White Spongy Trunk Rot )

Gleophyllum sepiarium
(Brown Cubical Sap Rot)

Inonotus obliquus
(Sterile Conk Trunk Rot of Birch )

Phellinus igniarius
(Hardwood Trunk Rot )

Phellinus tremulae
(Aspen Trunk Rot )

Pholiota populnea
(Yellow Laminated Butt Rot of Poplars)

Piptoporus betulinus
(Brown Cubical Rot of Birch )

Postia sericeomollis
(Brown Cubical Butt/Pocket Rot of Cedar)

Trichaptum abietinum
(Pitted Sap Rot )