HELICHRYSUM nudifolium (DC.) Beentje var. oxyphyllum [family COMPOSITAE], in K.B. 55: 357 (2000). Type: South Africa, Cape, Gouritz R., Burchell 4733 (G-DC., holo., K!, iso.)
Gnaphalium crispum L.f. [family COMPOSITAE], Suppl. Pl.: 363 (1781), non L. Type: South Africa, Cape, Thunberg s.n. (UPS, holo.)
Gnaphalium undatum J.F. Gmel. [family COMPOSITAE], Syst. Nat. 2: 1213 (1792), nom. illegit ., non L.; Thunb., Fl Cap.: 655 (1823). Type as for G. crispum
Helichrysum undatum (J.F. Gmel.) Less. [family COMPOSITAE], Comp.: 298 (1832), nom. illegit .; Harv. in Harv. & Sond., Fl. Cap. 3: 238 (1865); Oliv. & Hiern in F.T.A. 3: 353 (1877); Moeser in E.J. 44: 270 (1910); F.P.S. 3: 34 (1956); F.P.U.: 177 (1962). Type as for G. crispum
Helichrysum oxyphyllum DC. [family COMPOSITAE], Prodr. 6: 199 (1838); Harv. in Fl. Cap. 3: 241 (1865); Oliv. & Hiern in F.T.A. 3: 353 (1877); Hilliard, F.S.A. 33, 7 (2): 239 (1983); Lisowski in F.A.C. Compositae, Inuleae: 115 (1989)
Helichrysum rhodolepis Baker [family COMPOSITAE], K.B. 1898: 150 (1898); C.D. Adams in F.W.T.A. ed. 2, 2: 264 (1963); Maquet in Troupin, Fl. Rwanda 3: 610, fig. 187/2 (1985); U.K.W.F. ed. 2: 211 (1994). Type: Malawi, Zomba plains 2500–3000', Whyte s.n. (K!, holo.)
Helichrysum albiflorum Moeser [family COMPOSITAE], in E.J. 44: 269 (1910); C.D. Adams in F.W.T.A. ed. 2, 2: 264 (1963); Lisowski in F.A.C. Compositae, Inuleae: 114, t. 20/f-j (1989); U.K.W.F. ed. 2: 211 (1994). Type: Congo (Kinshasa), Ninagongo, Mildbraed 1270 (B†, syn.) & 1274 (B†, syn., BR!, fragm.)
Helichrysum alismatifolium Moeser [family COMPOSITAE], in E.J. 44: 268 (1910). Type: Rwanda, upper Mkunga, Mildbraed 1794 (B†, holo., BR!, fragm.)