Domin, K. (1927), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 871 [comb. et stat. nov.]

basionym: Petalostigma quadriloculare var. glabrescens Benth. legitimate taxonomic synonym: Petalostigma triloculare Müll.Arg. legitimate

Airy Shaw, H.K. (1976), New or noteworthy Euphorbiaceae. Kew Bulletin 31(2): 369 [taxonomic synonym]

taxonomic synonym of: Petalostigma triloculare Müll.Arg. legitimate

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1984), Euphorbiaceae. Flora of South-eastern Queensland 1: 426 [taxonomic synonym]

taxonomic synonym of: Petalostigma triloculare Müll.Arg. legitimate

Floyd, A.G. (1989), Rainforest Trees of Mainland South-eastern Australia: 154 [taxonomic synonym]

taxonomic synonym of: Petalostigma triloculare Müll.Arg. legitimate

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

taxonomic synonym of: Petalostigma triloculare Müll.Arg. legitimate

---