Early intervention action on Canary Island St. Johns wort, Hypericum canariense L., in Victoria

摘要

Canary Island St.. Johns wort, Hypericum canariense L., has been assessed as a serious new environmental weed threat to Victoria. Overseas experience from similar Mediterranean climates shows the species to be a highly invasive weed. In Victoria, thetwo known incursion sites of this species have been treated and are being monitored. Feasibility of eradication is considered high. This paper will detail eradication strategies and site management.