Fitzgerald, W.V. (1918), The Botany of the Kimberleys, north-west Australia. Journal and Proceedings of the Royal Society of Western Australia 3: 163 [primary reference]

Airy Shaw, H.K. (1976), New or noteworthy Euphorbiaceae. Kew Bulletin 31(2): 370 [taxonomic synonym]

taxonomic synonym of: Petalostigma quadriloculare F.Muell. legitimate

Airy Shaw, H.K. (November 1980), A partial synopsis of the Euphorbiaceae - Platylobeae of Australia (excluding Phyllanthus, Euphorbia and Calycopeplus). Kew Bulletin 35(3): 644 [orthographic variant]

orthographic variant of: Petalostigma quadriloculare F.Muell. legitimate

Council of Heads of Australasian Herbaria (2009), Australian Plant Census: - [orthographic variant]

orthographic variant of: Petalostigma humile W.Fitzg. legitimate

Council of Heads of Australasian Herbaria (2009), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Petalostigma quadriloculare F.Muell. legitimate

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