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Red Dicolouration 

Armillaria ostoyae
(Armillaria Root Disease)

Didymosporium arbuticola
(Leaf Spot of Arbutus)

Elytroderma deformans
(Elytroderma Needle Cast)

Hypodermella laricis
(Larch Needle Blight)

Lophodermella concolor
(Pine Needle Cast)

Meria laricis
(Larch Needle Cast)

Mycosphaerella pini
(Dothistroma Needle Blight)

Rhabdocline pseudotsugae
(Douglas-fir Needle Blight)

Rhizina undulata
(Rhizina Root Rot)