Bentham, G. (23 September 1873), Flora Australiensis 6: 145 [tax. nov.]

• Type: "Queensland. Rockingham Bay, Dallachy."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 21 [secondary reference]

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 36 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 479 [secondary reference]

White, C.T. & Francis, W.D. (1920), Contributions to the Queensland flora. Botany Bulletin. Department of Agriculture, Queensland 22: 36 [secondary reference]

Hyland, B.P.M. (1971), A key to the common rainforest trees between Townsville and Cooktown, based on leaf and bark features: 36, Code 188 [secondary reference]

common name: Needlebark [n/a]

Airy Shaw, H.K. (26 May 1980), New or noteworthy Australian Euphorbiaceae - II. Muelleria 4(3): 236 [secondary reference]

Airy Shaw, H.K. (November 1980), A partial synopsis of the Euphorbiaceae - Platylobeae of Australia (excluding Phyllanthus, Euphorbia and Calycopeplus). Kew Bulletin 35(3): 648-649 APC [secondary reference]

• APC Dist.: Qld

Hyland, B.P.M. (1982), A revised card key to rainforest trees of North Queensland: 37, 118, 143, Fig. 8, Code 188 [secondary reference]

common name: Needlebark [n/a]

Christophel, D.C. & Hyland, B.P.M. in Hyland, B.P.M. & Whiffin, T.P. (1993), Leaf Atlas of Australian Tropical Rain Forest Trees. Australian tropical rain forest trees: an interactive identification system: 6, 35, 106, pl. 44(d), Code 188 [secondary reference]

Hyland, B.P.M. & Whiffin, T.P. (1993), Australian tropical rain forest trees: an interactive identification system 1: 96, 118, 172, Code 188 [secondary reference]

common name: Needle Bark [n/a]

Hyland, B.P.M. & Whiffin, T.P. (1993), Australian tropical rain forest trees: an interactive identification system 2: 142, Code 188 [secondary reference]

Hyland, B.P.M., Gray, B. & Elick, R.W. in Cooper, W.E. & Cooper, W.T. (1994), Appendix I: Provisional Species List. Fruits of the Rainforest: 304 [secondary reference]

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B., Elick, R.W. & Ford, A.J. (1999), Australian tropical rain forest trees and shrubs. Australian tropical rain forest trees and shrubs: 65 [secondary reference]

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B. & Elick, R.W. (2003), Australian tropical rain forest plants. Trees, Shrubs and Vines: Code 188 [secondary reference]

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 189 [secondary reference]

common name: Needle Bark [n/a]

Forster, P.I. & Halford, D.A. (18 December 2017), Typifications in Australian Euphorbiaceae, Phyllanthaceae and Picrodendraceae. Austrobaileya 10(1): 165 [secondary reference]

• Lectotype: "[Queensland.] Telegraph Line, Rockingham Bay, 2 November 1870, J. Dallachy s.n. (lecto [here designated]: MEL 515927; isolecto: MEL 515925, MEL 515926)"

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