Crassocephalum montuosum (S.Moore) Milne-Redh. [family COMPOSITAE], in K.B. 5: 376 (1951); F.P.S. 3: 21 (1956); Maquet in Fl. Rwanda 3: 652, fig. 202/2 (1985); C. Jeffrey in K.B. 41: 906 (1986); Blundell, Wild Flow. E. Afr.: fig. 361 (1987); Lisowski, Aster. Fl. Afr. Centr. 2: 331, t. 72 (1991); U.K.W.F. ed. 2: 219, t. 91 (1994). Type: Kenya, Machakos to Kikuyu, Scott Elliot 6587 (BM!, holo.)
Senecio montuosus S.Moore [family COMPOSITAE], in J.L.S. 35: 354 (1902)
Senecio butaguensis Muschl. [family COMPOSITAE], in Z.A.E.: 403 (1911). Type: Congo (Kinshasa), Ruwenzori, Butagu Valley, Mildbraed 2534 (B†, holo., BR!, iso.)
Crassocephalum butaguense (Muschl.) S.Moore [family COMPOSITAE], in J.B. 50: 211 (1912)
Gynura lutea Humbert [family COMPOSITAE], in Mem. Soc. Linn. Norm. 25: 122, 302 (1923). Type: Madagascar, Andasibe, Perrier 2928 (P!, K!, SYN.) & Manongarivo, Perrier 3213 (P!, SYN.)
Crassocephalum bumbense S.Moore [family COMPOSITAE], in J.L.S. 47: 279 (1925). Type: Angola, Sobato de Bumba, Welwitsch 3687 (BM!, holo.)
Crassocephalum afromontanum R.E.Fr. [family COMPOSITAE], in Acta Hort. Berg. 9: 144, t. 6 (1928). Type: Kenya, Nyandarua/Aberdares, Kinangop, Fries & Fries 2727 (UPS!, holo.)
Senecio rufopilosulus De Wild. [family COMPOSITAE], Pl. Bequaert. 5: 116 (1929). Type: Congo (Kinshasa), Ruwenzori, Butagu, Bequaert 3627 (BR!, lecto., chosen by Jeffrey)
Gynura montuosa (S.Moore) Bullock [family COMPOSITAE], in K.B. 1932: 499 (1932)
Senecio afromontanum (R.E.Fr.) Humbert & Staner [family COMPOSITAE], in B.J.B.B. 14: 104 (1936)
Crassocephalum luteum (Humbert) Humbert [family COMPOSITAE], Fl. Madag. 189: 836 (1963)