Western Australian Herbarium (2007), FloraBase: the Western Australian Flora Version 2.5: - APC [primary reference]

• APC Dist.: WA

Wege, J.A. & Hislop, M. (28 January 2020), Few and far between: Philotheca richardsoniana (Rutaceae), a new rarity from Western Australia’s Avon Wheatbelt. Nuytsia 31: 9 [taxonomic synonym]

taxonomic synonym of: Philotheca richardsoniana Wege & Hislop legitimate

Percy-Bower, J.M. & Parker, C.M. (24 June 2021), Updates to Western Australia’s vascular plant census for 2020. Nuytsia 32: 16 [taxonomic synonym]

taxonomic synonym of: Philotheca richardsoniana Wege & Hislop legitimate

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