Barringtonia novae-hiberniae subsp. kassamii Isotype: Papua New Guinea, Morobe Province, Kassam Pass, Kaiapit, 901 m, S6°15', W146°0', Womersley NGF 43729 (L) Papua New Guinea, Morobe Province, Kassam Pass, Kaiapit, 901 m, S6°15', W146°0', Womersley NGF 43729 (LAE) Holotype: Papua New Guinea, Morobe Province, Kassam Pass, Kaiapit, 901 m, S6°15', W146°0', Womersley NGF 43729 (K)