Bentham, G. (5 October 1864), Flora Australiensis 2: 292 [autonym]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 383 [secondary reference]

common name: Slender Petalostylis [n/a] common name: Petalostyles [n/a] common name: Butterfly Bush [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 96 [secondary reference]

Wiecek, B. in Harden, G.J. (ed.) (1991), Petalostylis. Flora of New South Wales 2: 323 [secondary reference]

common name: Butterfly Bush [n/a]

Wiecek, B. in Harden, G.J. (ed.) (2002), Petalostylis. Flora of New South Wales Revised Edition 2: 377 [nomenclatural synonym]

nomenclatural synonym of: Petalostylis labicheoides R.Br. legitimate

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