Stewart, D.A. (1976), Sowerbaea subtilis (Liliaceae), a New Species from Queensland. Proceedings of the Royal Society of Queensland 87: 85, pl. 6 (fig. 1,2,4). [tax. nov.]

• Type: "Byfield State Forest, 28 km N of Yeppoon, Queensland, in sandy heath association with Banksia, D.A. Stewart 025, 7. viii. 1973 (BRI 0192245, holotypus; isotypus AD 97523336)."

Henderson, R.J.F. in George, A.S. (ed.) (1987), Sowerbaea. Flora of Australia 45: 266 APC [secondary reference]

• APC Dist.: Qld

Thomas, M.B. & McDonald, W.J.F. (1987), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 1: 30 [secondary reference]

Thomas, M.B. & McDonald, W.J.F. (1989), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 2: 32 [secondary reference]

Threatened Species and Communities Section, Biodiversity Group, Environment Australia (8 July 1998), Endangered Species Protection Act 1992. Schedules 1, 2 & 3: 25 [secondary reference]

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