Me pēnei te tohu i te whārangi:
Bob Brockie, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/native-plants-and-animals-overview/media (accessed 23 September 2023)
He kōrero nā Bob Brockie, i tāngia i te 24 Sep 2007