European larch canker (Lachnellula willkommii) 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).
For more information about this plant pest, see the CABI data sheet.