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

• Type: "Naga Hills in Ostindien (Praiss). Tasmania (Hooker, Gunn., Hügel)."

Robson, N.K.B. (1973), Notes on Malesian species of Hypericum (Guttiferae): Flora Malesianae Praecursores LII. Blumea 20(2): 269 [secondary reference]

• Type: "India, Assam, Naga Hills, Prain (unlocated); Tasmania, Hampshire Hills, 1837, J. D. Hooker (K!): Tasmania, Arthurs Lakes, 1837, Gunn (K!); Tasmania, Hügel (W)."

Robson, N.K.B. (1973), Notes on Malesian species of Hypericum (Guttiferae): Flora Malesianae Praecursores LII. Blumea 20(2): 274 [pro parte taxonomic synonym]

pro parte taxonomic synonym of: Hypericum japonicum [unranked] Variant (5) N.Robson [n/a]

Robson, N.K.B. (1973), Notes on Malesian species of Hypericum (Guttiferae): Flora Malesianae Praecursores LII. Blumea 20(2): 269 [taxonomic synonym]

taxonomic synonym of: Hypericum japonicum Thunb. legitimate

Robson, N.K.B. (1990), Studies in the genus Hypericum L. (Guttiferae): 8. Sections 29. Brathys (part 2) and 30. Trigynobrathys. Bulletin of the British Museum (Natural History) Botany 20(1): 130 [secondary reference]

• Lectotype: "Tasmania, Arthur's Lakes, 17 January 1845 (fl), Gunn s.n. (W!-lectotype, mihi; K!); Hampshire Hills, February 1837 (fl & fr), Hooker 656 (K!, W-syntypes); locality not found, Hügel (W-syntype). "

Robson, N.K.B. (1990), Studies in the genus Hypericum L. (Guttiferae): 8. Sections 29. Brathys (part 2) and 30. Trigynobrathys. Bulletin of the British Museum (Natural History) Botany 20(1): 130 [pro parte taxonomic synonym]

pro parte taxonomic synonym of: Hypericum japonicum [unranked] Variant (5), 'humifusum' [n/a]

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

taxonomic synonym of: Hypericum japonicum Thunb. legitimate

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