Forster, P.I. (18 December 1992), A taxonomic revision of Alstonia (Apocynaceae) in Australia. Australian Systematic Botany 5(6): 756-757, fig. 3 [autonym]

taxonomic synonym: Alstonia longissima F.Muell. legitimate taxonomic synonym: Alstonia somersetensis F.M.Bailey legitimate

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: 300 [secondary reference]

Forster, P.I. in Orchard, A.E. (ed.) (1996), Apocynaceae. Flora of Australia 28: 122, Fig. 51G-I, Map 157 APC [secondary reference]

taxonomic synonym: Alstonia longissima F.Muell. legitimate taxonomic synonym: Alstonia somersetensis F.M.Bailey legitimate

• APC Dist.: Qld

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: 56 [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 627 [secondary reference]

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 33 [secondary reference]

taxonomic synonym: Alstonia somersetensis F.M.Bailey legitimate common name: Yellowjacket [n/a] common name: Leatherjacket [n/a] common name: Jackapple [n/a] common name: Hard Milkwood [n/a]

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