Lemaire, C.A. (1839), Cactearum Genera Nova Speciesque Novae et Omnium in Horto Monvilliano: 62 [tax. nov.]

• Type: (not seen).

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1984), Cactaceae. Flora of South-eastern Queensland 1: 145 [secondary reference]

Telford, I.R.H. in George, A.S. (ed.) (1984), Cactaceae. Flora of Australia 4: 74, Fig. 14D, Map 95 APC [secondary reference]

common name: Westwood Pear [n/a] common name: Gracemere Pear [n/a]

• APC Dist.: Qld (naturalised)

Harden, G.J. in Harden, G.J. (ed.) (1990), Cactaceae. Flora of New South Wales 1: 203 [secondary reference]

common name: White-spined Pear [n/a] common name: Cardona Pear [n/a]

Robson, Peter J. (1993), Checklist of Australian Trees: alphabetical listings of common and scientific names: - [secondary reference]

common name: Westwood Pear [n/a] common name: Gracemere Pear [n/a]

Halford, D.A. in Henderson, R.J.F. (ed.) (1994), Cactaceae. Queensland Vascular Plants: Names and Distribution: 55 [secondary reference]

Harden, G.J. in Harden, G.J. (ed.) (2000), Cactaceae. Flora of New South Wales Revised Edition 1: 203 [secondary reference]

common name: White-spined Pear [n/a] common name: Cardona Pear [n/a]

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