Wilson, Paul G. (5 May 1971), Taxonomic notes on the family Rutaceae, principally of Western Australia. Nuytsia 1(2): 206 APC [comb. nov.]

basionym: Philotheca calida F.Muell. legitimate

• APC Dist.: NT, 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: 46 [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: 49 [secondary reference]

Forster, P.I. in Henderson, R.J.F. (ed.) (2002), Rutaceae. Names and Distribution of Queensland Plants, Algae and Lichens: 179 [secondary reference]

Wilson, Paul G. in Wilson, A.J.G. (ed.) (2013), Drummondita. Flora of Australia 26: 431 [secondary reference]

nomenclatural synonym: Philotheca calida F.Muell. legitimate

Duretto, M.F. (14 November 2018), Drummondita borealis Duretto (Rutaceae), a new species from the Northern Territory, and a revised description for D. calida (F.Muell.) Paul G.Wilson from Queensland. Austrobaileya 10(2): 237, Fig. 1 [secondary reference]

nomenclatural synonym: Philotheca calida F.Muell. legitimate

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