CRC-Camphor Research Centre, Lismore, NSW, Australia. Cinnamomum camphora Nees et Eberm.
| Date Finding/Scientific Findings | Authority/Reference |
| 1942 NSW Poisonous Plants Committee publishes book confirming the toxicity (to livestock) of Camphor laurels spread by NSW Gov' t since 1866. | NSW Government & the Botanic Gardens-Sydney. |
| 1955 NSW Poisonous Plants Committee abandoned by NSW Govt, coincident with first confirmed mass bird death at Bangalow, NSW Northern Rivers | Prof. Lindsay Pryor, ANU (Forestry)(retd) |
| 1998 Royal Botanic Gardens, Kew, London, provides stated proof of toxin-exudation glands on most outer root surfaces of Camphor Laurels, for toxins to be seasonally excreted into soil water thence to waterways. | U.K. Government, Chief Plant Physiologist and Botanists. |
| 1999 Queensland Government Vet.Toxicologist provides official confirmation that horses die after eating the bark of particular Camphor' trees. | QDPI -Yeerongpilly, Brisbane, QLD. |
| 1999 Camphor Laurel leaf + twig oil, distilled from Goonengerry in Byron Shire, found to contain benzene-carcinogens and 0.6% napthalene (fish poison), plus volatile compounds , plus safrole (carcinogen). | 'ATORI' at S.C.U., Phytochemistry Lismore NSW Australia |
| 2000 Camphor laurel leaf( ex-NSW Northern Rivers) tested for toxicity to aquatic organisms, by C.S.I.R.0' s Key Centre for Advanced Analytical Chemistry and declared "extremely toxic" on key test micro-organisms. | C. S. I. R.0., Lucas Heights Sydney NSW. |
| 2001 Camphor' root-oil distilled from a representative sampling of Northern Rivers Camphor trees(Corndale & Mullumbimby), & proved to be more than 25% greater toxicity than Camphor leaf+twig oil prev. tested (2000). | C. S. I. R. 0., Lucas Heights Sydney, NSW. |
| 2001 Creek precipitate/s identified by AGAL-Sydney, as an as yet-unnamed sterol exuded by the roots of Camphor trees, a rusty-orange precipitate; nil biota capable of living in this chemical environment (/3 years obs.) excepting mosquitoes; streams first turn opaque- 'milky'. | Aust. Government Analyt. Laboratories Sydney, NSW. |
| 2001 United States and U.K. authorities ban all imports of Camphor laurel manufactured (Chinese) linaments & camphorated oils, including bark-oil known to contain 'suspicious compound-toxins' from CL-branchlet bark | Martindale Textbook, Pharmocopaeia, Vol.31; ,page 1684. |
| 2002 Royal Botanic Gardens, Kew, London, issues a formal Report on the modified toxin excretion glands along twigs and young branchlets of new growth on most toxic Camphor Laurel types; leaves of known Birdkiller' Camphor tree in Lismore analysed to prove more than 93% camphor. | U.K. Government, Chief Plant Physiologist and Botanists |
| 2002 First-ever record of Lewin' s Honeyeaters, an omnivorous species at-the-base of the most-toxic known chemotype 'Bird Killer' Camphor laurel street-tree, in-drought time, Lismore;(Feb' /late-summer). | Camphor laurel Research Centre, Lismore, NSW. |
| 2002 First Lismore 'mass native bird death incident' , February heatwave; ;estimated 100 magpies, rosellas, galahs, and other spp. dead nr CL' s | C.R.C.-Lismore, & LCC, Lismore City Council |
| 2002 Observed death of Green-winged Dove-Pigeon, by vomiting & asphyxiation, Proved by dissection to reveal swollen Camphor' berry in bird' s pharynx*, less than 30mins to die. | Camphor Research Centre staff, at The Channon |
| 2002 US text books confirm that animals dying from camphor poisoning (in America) display primary symptoms of "vomiting & asphyxiation" . | US Poisonous Plants Textbook ref. |
| 2003 First koala dissected for analysis of blood and stomach content samples; camphor-smelling, and yellow-green contents colour; + frothing-at-mouth; 2. King Parrot dead 12 hours after consuming ripe CL berries (post-mortem), bird vomiting at pickup ,& left-side-paralysed ; | Dr/Vet.,G. Tomkins (Friends of the Koala), Lismore, NSW. |
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