References
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- Beever , R. and Beever , J. 1983 . Frost damage to native plants 1982 . Auckland Botanical Society newsletter , 38 : 1 – 3 .
- Sakai , A. and Wardle , P. 1978 . Freezing resistance of New Zealand trees and shrubs . New Zealand journal of ecology , 1 : 3 – 17 .