= Grammitis armstrongii Tindale; Contr. New South Wales Natl. Herb. 3: 88 (1961)
= Grammitis australis var. alpina S.Jones; Handb. Ferns New Zealand 31 (1861)
= Grammitis australis var. nana (Brack.) Franch.; Miss. Sci. Cap Horn, Bot. 5: 397 (1889)
= Grammitis billardierei f. nana (Brack.) de la Sota; Opera Lilloana 5: 208 (1960)
= Grammitis kerguelenensis Tardieu; Adansonia, Sér. 2, 2: 114, f. 1 (14-17) (1962)
= Grammitis magellanica f. nana (Brack.) de la Sota ex T.R.Dudley; Rhodora 83(836): 483 (1981)
= Grammitis nana Brack.; U.S. Expl. Exped. 16 (Filic.): 1 (1854)
= Grammitis pumila J.B.Armstr.; Trans. & Proc. New Zealand Inst. 13: 341 (1881), nom. illeg.
= Polypodium australe var. minutum F.Muell.; Fragm. [Mueller] 5: 127 (1865)
= Polypodium billardierei subvar. nanum (Brack.) C.Chr.; Ark. Bot. 10(2): 15 (1910)
= Polypodium billardierei var. pumilum (J.B.Armstr.) Cheeseman; Man. New Zealand Fl., ed. 2, 80 (1925)
= Polypodium crassium Kirk; Trans. & Proc. New Zealand Inst. 17: 232 (1885)
= Polypodium pumilum (J.B.Armstr.) Cockayne; Rep. Bot. Surv. Stewart Island: 47 (1909)