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Erwin, D. M. & Schorn, H. E. (2000). "Revision of Lyonothamnus A.Gray (Rosaceae) from the Neogene of Western North America". International Journal of Plant Sciences. 161 (1): 179–193. doi:10.1086/314232. PMID10648208. S2CID9161661.
nsw.gov.au
environment.nsw.gov.au
"Giant Ironwood - profile". Threatened species. New South Wales Office of Environment & Heritage. 2014-08-05.
Erwin, D. M. & Schorn, H. E. (2000). "Revision of Lyonothamnus A.Gray (Rosaceae) from the Neogene of Western North America". International Journal of Plant Sciences. 161 (1): 179–193. doi:10.1086/314232. PMID10648208. S2CID9161661.