Burret, K.E.M. (1936), Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem 13: 81 [tax. nov.]

• Type: Papua New Guinea, Oriomo R., Woroi, Brass 5887 (holotype B; isotype BO, BRI).

Baker, W.J. & Loo, A.H.B. (2004), A synopsis of the genus Hydriastele (Arecaceae). Kew Bulletin 59: 64 [taxonomic synonym]

taxonomic synonym of: Hydriastele costata F.M.Bailey legitimate

Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Hydriastele costata F.M.Bailey legitimate

Petoe, P., Heatubun, C.D. & Baker, W.J. (2018), A monograph of Hydriastele (Areceae, Arecaceae) in New Guinea and Australia. Phytotaxa 370(1): 77 [taxonomic synonym]

taxonomic synonym of: Hydriastele costata F.M.Bailey legitimate

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