Ewart, A.J., White, J.R. & Tovey, J.R. (1908), Contributions to the Flora of Australia. Journal and Proceedings of the Royal Society of New South Wales 42: 190 [tax. nov.]

• Type: "Near Lake Austin, W.A., King and Lefroy 1890."

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - APC [secondary reference]

• APC Comment: A name of uncertain application.

Davis, R.W. & Wege, J.A. (26 August 2021), Isotropis petrensis (Fabaceae: Mirbelieae), a new species from arid Western Australia. Nuytsia 32: 99 [secondary reference]

• Type: " '‘Near Lake Austin, W.A., King and Lefroy 1890’ (syn: BM 000885505 image!, K 000278153 image!, K 000278154 image!, MEL 78150!, MEL 78151!, NSW 32662 image!, PERTH 01023144!)."

Davis, R.W. & Wege, J.A. (26 August 2021), Isotropis petrensis (Fabaceae: Mirbelieae), a new species from arid Western Australia. Nuytsia 32: 99 [taxonomic synonym]

taxonomic synonym of: Isotropis petrensis R.W.Davis & Wege legitimate

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