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1.
The distribution, biology, habitat and conservation status of the endangered aquatic plants Hydatella inconspicua and Myriophyllum robustum in Northland : with recommendations for future management

by Tanner, Chris C; Clayton, John S; Wells, Rohan D. S. -- Ruakura Agricultural Centre (N.Z.)Aquatic Plant Section.; New ZealandMinistry of Agriculture and Fisheries.

Publisher: Hamilton [N.Z.] : Aquatic Plant Section, Ruakura Agricultural Centre, Ministry of Agriculture & Fisheries, 1988Holdings: GRETA POINT: 582.526.3(931.211) TANAvailability: Items available for loan: WELLINGTON [582.526.3(931.211) TAN] (1).
2.
Lake managers' handbook : alien invaders

by Champion, Paul; Clayton, John; Rowe, David K. -- New ZealandMinistry for the Environment

Publisher: Wellington, N.Z. : Ministry for the Environmnent, 2002Online Access: Click here to access online Holdings: GRETA POINT: 574:504.3 LAKAvailability: Items available for loan: WELLINGTON [574:504.3 LAK] (1).
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