Brown stain

Columnocystis abietina
( Wound Parasites )

Fomitopsis pinicola
( Brown Crumbly Rot )

Ganoderma applanatum
( White Mottled Rot )

Heterobasidion annosum
( Annosus Root Rot and Butt Rot )

Inonotus tomentosus
( Tomentosus Root Disease )

Phellinus weirii
( Phellinus (Poria) weirii Root Rot )

Stereum sanguinolentum
( Red Heart Rot )