Clarkson, Bruce D., and others. Botany of Rotorua. Rotorua: Forest Research Institute, 1991.

McGlone, Matt S., and others. ‘An ecological and historical review of bracken (Pteridium esculentum) in New Zealand, and its cultural significance.’ New Zealand Journal of Ecology 29, no. 2 (2005): 165–184.

Wardle, Peter. Vegetation of New Zealand. Cambridge: Cambridge University Press, 1991.

Wilson, Hugh D. Hinewai: the journal of a New Zealand naturalist. Christchurch: Shoal Bay, 2002.