Keller, R. (1908), Zur kenntnis der Sectio Brathys Genus Hypericum. Bulletin de l'Herbier Boissier Series 2 8(3): 186 [tax. nov.]

• Type: "Queensland (Sayer, Walter)."

Robson, N.K.B. (1973), Notes on Malesian species of Hypericum (Guttiferae): Flora Malesianae Praecursores LII. Blumea 20(2): 267 [secondary reference]

• Lectotype: "Types: Australia, Queensland, Trinity Bay, 1886, Sayer (BM!); Australia, Queensland (?), Plenty Ranges, Walter (Z! lecto)."

Robson, N.K.B. (1973), Notes on Malesian species of Hypericum (Guttiferae): Flora Malesianae Praecursores LII. Blumea 20(2): 267 [taxonomic synonym]

taxonomic synonym of: Hypericum gramineum G.Forst. legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Hypericum gramineum G.Forst. legitimate

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