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2. S. Everist, Poisonous Plants of Australia. Angus and Robertson, London, 1974.
3. A revision of the genus pteridium;Tryon;J. N. Engl. Bot. Club,1941
4. Concentration of ptaquiloside, a major carcinogen in bracken fern (Pteridium spp.), from eastern Australia and from a cultivated worldwide collection held in Sydney, Australia;Smith;Nat. Toxins,1994
5. The taxonomy of bracken (Pteridium: Dennstaedtiaceae) in Australia;Brownsey;Aust. Syst. Bot.,1989