Linnaeus, C. (1 May 1753), Species Plantarum 2: 1188 [tax. nov.]

• Type: Cycas circinalis L.

• Comment: Given without a description by Linnaeus in Gen. Pl. ed. 5 (1754) 495; but validated in Species Plantarum as generico-specific description.

Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 348 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 109 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 513 [secondary reference]

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1989), Cycadaceae. Flora of South-eastern Queensland 3: 448 [secondary reference]

Johnson, L.A.S. & Wilson, K.L. in Kubitzki, K. (ed.) (1990), Cycadaceae. The Families and Genera of Vascular Plants 1: 370, Fig. 207 [secondary reference]

Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Cycadaceae. Flora of the Kimberley Region: 50-51 [secondary reference]

Hill, K.D. (30 September 1992), A preliminary account of Cycas (Cycadaceae) in Queensland. Telopea 5(1): - [secondary reference]

Du Puy, D.J. (1993), Cycadaceae. Flora of Australia 50: 529-530 [secondary reference]

Hill, K.D. (8 December 1994), The Cycas media group (Cycadaceae) in New Guinea. Australian Systematic Botany 7(6): 530 [secondary reference]

Hill, K.D. in McCarthy, P.M. (ed.) (1998), Cycadaceae. Flora of Australia 48: 598 [secondary reference]

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 1 [secondary reference]

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Cycas ser. Armstrongianosae K.D.Hill legitimate taxonomic synonym: Cycas ser. Endemicosae K.D.Hill legitimate taxonomic synonym: Cycas ser. Furfuraceosae K.D.Hill legitimate taxonomic synonym: Cycas ser. Calcicolosae K.D.Hill legitimate taxonomic synonym: Cycas ser. Angulatosae K.D.Hill legitimate taxonomic synonym: Cycas ser. Yorkianosae K.D.Hill legitimate taxonomic synonym: Cycas ser. Cairnsianosae K.D.Hill legitimate

• APC Comment: The broad views of Australian taxa adopted by De Laubenfels & Adema (1998) are not generally accepted by Australian botanists.
• APC Dist.: WA, ChI, NT, Qld

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 243 [secondary reference]

Christenhusz, M.J.M., Reveal, J.L, Farjon, A., Gardner M.F., Mill, R.R. & Chase, M.W. (2011), A new classification and linear sequence of extant gymnosperms. Phytotaxa 19: 57 [secondary reference]

Soltis, D.E., Smith, S.A., Cellinese, N., Wurdack, K.J., Tank, D.C., Brockington, S.F., Refulio-Rodriguez, N.F., Walker, J.B., Moore, M.J., Carlswars, B.S., Bell, C.D., Latvis, M., Crawley, S., Black, C., Diouf, D., Xi, Z., Rushworth, C.A., Gitzendanner, M.A., Sytsma, K.J., Qui, Y., Hilu, K.W., Davis, C.C., Sanderson, M.J., Beaman, R.S., Olmstead, R.G., Judd, W.S., Donoghue, M.J. & Soltis, P.S. (1 April 2011), Angiosperm Phylogeny: 17 genes, 640 taxa. American Journal of Botany 98(4): Fig. 2A [secondary reference]

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