Cyathea cooperi (Hook. ex F.Muell.) Domin legitimate | sensu Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census
Alsophila australis var. cervicalis F.M.Bailey legitimate Alsophila australis var. excelsa (R.Br. ex Endl.) F.M.Bailey legitimate Alsophila australis var. pallida F.M.Bailey legitimate Alsophila cooperi Hook. ex F.Muell. legitimate Alsophila cooperi Hook. nom. illeg. Alsophila excelsa var. cooperi (Hook. ex F.Muell.) Domin legitimate Alsophila hilleana Tindale orth. var. Alsophila hilliana F.Muell. legitimate Cyathea australis var. cervicalis (F.M.Bailey) Domin legitimate Cyathea australis var. pallida (F.M.Bailey) Domin legitimate Cyathea brownii var. cooperi (Hook. ex F.Muell.) Domin legitimate Sphaeropteris cooperi (Hook. ex F.Muell.) R.M.Tryon legitimate
Alsophila excelsa R.Br. ex Endl. auct. non R.Br. ex Endl.: Moore, T. (1857), Index Filicum 4: 50 Alsophila excelsa R.Br. ex Endl. auct. non R.Br. ex Endl.: Hooker, W.J. & Baker, J.G. (1866), Synopsis Filicum Edn. 1, 2: 40 Alsophila excelsa R.Br. ex Endl. auct. non R.Br. ex Endl.: Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 137 Alsophila excelsa R.Br. ex Endl. auct. non R.Br. ex Endl.: Bailey, F.M. (1902), The Queensland Flora 6: 1949
  • Treated as Sphaeropteris cooperi in WA and Qld.
  • WA (naturalised), SA (naturalised), Qld, NSW (native and naturalised), Vic (doubtfully naturalised)