Cycadaceae Pers.
Cycas circinalis subsp. semannii (A.Braun) J.Schust. , legitimate, scientific
Schuster, J. in Engler, H.G.A. (1932), Cycadaceae. Das Pflanzenreich 99(4,1): 71 [comb. nov.]
basionym: Cycas seemannii A.Braun legitimate
Hill, K.D. (8 December 1994), The Cycas rumphii Complex (Cycadaceae) in New Guinea and the Western Pacific. Australian Systematic Botany 7(6): 560 [nomenclatural synonym]
nomenclatural synonym of: Cycas seemannii A.Braun legitimate