Cycas media R.Br. subsp. media legitimate | sensu Council of Heads of Australasian Herbaria (2006), Australian Plant Census
Cycas gracilis Miq. legitimate Cycas gracilis var. glauca Regel legitimate Cycas gracilis Miq. var. gracilis legitimate Cycas gracilis var. viridis Regel legitimate Cycas kennedyana F.Muell. legitimate Cycas media R.Br. f. media legitimate Cycas media R.Br. var. media legitimate Cycas normanbyana F.Muell. legitimate Cycas rumphii subsp. normanbyana (F.Muell.) J.Schust. legitimate
Cycas circinalis subsp. papuana (F.Muell.) J.Schust. auct. non (F.Muell.) J.Schust.: Schuster, J. in Engler, H.G.A. (1932), Cycadaceae. Das Pflanzenreich 99(4,1): 70 Cycas rumphii f. papuana (F.Muell.) Kaneh. auct. non (F.Muell.) Kaneh.: Kanehira, R. & Hatusima, S. (1938), Botanical Magazine (Tokyo) 52: 350
  • De Laubenfels & Adema (1998) recognised C. normanbyana as a species distinct from C. media, and included in its synonymy C. rumphii subap. normanbyana, C. basaltica and C. media var. basaltica. Hybrids are known in Qld between C. media subsp. banksii and C. platyphylla (Henderson, 2002).
  • Qld