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Biocontrol introduction

Target pest: Clematis vitalba (Ranunculales: Ranunculaceae), old man's beard

Agent introduced: Phoma clematidina (Pleosporales: Pleosporaceae), old man's beard leaf fungus, phoma leaf spot



General comments: The agent released in New Zealand as Phoma clematidina was subsequently reclassified as Didymella clematidis and then Longididymella clematidis. See the Longididymella clematidis entry for details.