Alstonia spectabilis Holotype: , Lesser Sunda Islands, Timor, Coepang (= Kupang), R. Brown s.n. (BM) Blume 1006 Isotype: Blume 1006 (L) Blume 1006 Lectotype: Blume 1006 (L) Holotype: Papua New Guinea, Fly River, D’Albertis s.n. (FI) F.L. Jardin s.n. (BRI) Horsfield s.n. Lectotype: Horsfield s.n. (K) Isotype: Horsfield s.n. (K) Lectotype: Solomon Islands, Matupi Island, Neu-Pommern, K. & L. Rechinger 4114 (W) Isotype: Solomon Islands, Matupi Island, Neu-Pommern, K. & L. Rechinger 4114 (W) Solomon Islands, Matupi Island, Neu-Pommern, K. & L. Rechinger 4114 Western Australia, Brunswick Bay, Cunningham 204 (K) Isotype: Western Australia, Brunswick Bay, Cunningham 204 (BM) Western Australia, Brunswick Bay, Cunningham 204 Lectotype: Western Australia, Brunswick Bay, Cunningham 204 (K) Lectotype: Australia, Northern Territory, Fitzmaurice River, F. Mueller s.n. (K) Australia, Northern Territory, Fitzmaurice River, F. Mueller s.n.