Hettiarachchi, Dilani K., Michael Cripps, Sarah Jackman, Chikako van Koten, Jon Sullivan, and Michael Rostás. “Impact of the Biocontrol Beetle, Cassida Rubiginosa, on the Secondary Weed Target, Marsh Thistle (Cirsium Palustre)”. New Zealand Plant Protection 71 (June 9, 2018): 66–71. Accessed December 4, 2023. https://journal.nzpps.org/index.php/nzpp/article/view/145.