Douglas Fir – Swiss Needle Cast
Phaeocryptopus gaumannii Douglas Fir – Swiss Needle Cast Signs & Symptoms
Infected foliage
Infected foliage
Douglas Fir – Swiss Needle Cast Pathogen
Fruiting bodies (pseudothecia) on underside of affected needle
Needle and pseudothecia cross-section
Pseudothecia
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Douglas Fir – Swiss Needle Cast