Tozer, K.N., G.M. Barker, C.A. Cameron, and T.K. James. “Relationship Between Seedbank and Aboveground Botanical Composition During Spring”. New Zealand Plant Protection 630 (August 1, 2010): 90-95. Accessed October 25, 2020. https://journal.nzpps.org/index.php/nzpp/article/view/6541.