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Wells, R.D.S., Champion, P.D., 2013, NIWA Consultancy Report HAM2013-088:.  Expand

Champion, P.; de Winton, M., 2012, Report prepared for Northland Regional Council. NIWA Clint Report HAM2012-121.  Expand

Champion, P.D; Wells, D.S., Nineteenth Australian weeds conference.  Expand

Champion, P., 2006.  Expand

de Lange, P.J; Gardner, R.O; Champion, P.D; Tanner, C.C., 1998, New Zealand Journal of Botany.  Expand

Champion, P.D.; Reeves, P.D., 1998, Proceedings of the 51st New Zealand Plant Protection Conference, New Zealand Plant Protection Society.  Expand

deWinton, M.D; Champion, P.D; Clayton, J.S; Wells, R.D.S., 2009, New Zealand journal of marine and freshwater research.  Expand

Champion, P.D., Elcock, S., Moss, M, 2021, NIWA Client Report 2021106HN.  Expand

Champion, P.D., Clayton, J.S., de Winton, M.D., 1993, NIWA Report DOC001. 41.  Expand

Champion, P.D., Dugdale, T.M. and Taumoepeau, A.T., 2002, NIWA Client Report, Hamilton.  Expand