Miquel, F.A.W. (1868), Nouveaux materiaux pour servir a la conaissance des Cycadees. Archives Neerlandaises des Sciences Exactes et Naturelles 3: 235 [tax. nov.]

Hill, K.D. (14 November 1996), A taxonomic revision of the genus Cycas (Cyadaceae) in Australia. Telopea 7(1): 36 [nomenclatural synonym]

nomenclatural synonym of: Cycas armstrongii Miq. legitimate

Hill, K.D. in McCarthy, P.M. (ed.) (1998), Cycadaceae. Flora of Australia 48: 616 [nomenclatural synonym]

nomenclatural synonym of: Cycas armstrongii Miq. legitimate

---