Andrej Kunca, National Forest Centre - Slovakia, Bugwood.org
European Larch Canker
Lachnellula willkommi

European Larch Canker (Lachnellula willkommi) is a fungal pathogen. It was first detected in Massachusetts in 1927 .

European larch canker, caused by the fungus Lachnellula willkommii, is a serious disease in many parts of Europe. It kills mature and immature species of trees in the genus Larix (larch, tamarack, hackmatack).

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