All weed species recorded in the Pacific that are also biological control targets, i.e. the weed species listed in the Weed Matrix on which natural enemies have been released, and the status of natural enemies released in each country in the Pacific. This table also lists natural enemies that are not present in the Pacific but that are available for introduction from elsewhere, and their overall level of effectiveness in countries where they have been released

154
Asteraceae
Cirsium vulgare
spear thistle, bull thistle, common thistle
Has natural enemies elsewhere causing significant impacts
pua kala
Trichosirocalus horridus
nodding thistle crown weevil
Outside Pacific and not effective
slight
2
New Caledonia
wayne
26/12/2021