SONCHUS bipontini Asch. [family COMPOSITAE], in Schweinf., Beitr. Fl. Aethiop.: 160 (1867); Oliv. & Hiern in F.T.A. 3: 458 (1877); R.E. Fr. in Acta Horti Berg. 8: 100 (1924); C. Jeffrey in K.B. 18: 479 (1966); Boulos in Bot. Notis. 127: 411 (1974); Lawalrée, Dethier & Gilissen in F.A.C. Compositae: Cichorioideae: 34 (1986); G.V. Pope in F.Z. 6: 226 (1992); U.K.W.F. ed. 2: 230 (1994). Type: Ethiopia, near Dschenausam [Tchénausa], Schimper 1299 (P!, holo., BM!, G, K!, L, W, iso.)
SONCHUS lactucoides A. Rich. [family COMPOSITAE], Tent. Fl. Abyss. 1: 467 (1848), non Bunge (1835), nom. illegit. Type: as for S. bipontini Asch.
SONCHUS bipontini R.E. Fr. forma glanduligerus [family COMPOSITAE], in Acta Horti Berg. 8: 101 (1924). Type: Congo (Kinshasa), S end of Lake Kivu, Fries 1487a (UPS, holo.)
SONCHUS bequaertii De Wild. [family COMPOSITAE], Pl. Bequaert. 5: 461 (1932). Types: Congo (Kinshasa), Lanuri, Bequaert 4476 (BR!, lecto.)
SONCHUS bipontini (R.E. Fr.) Robyns var. glanduligerus [family COMPOSITAE], in Fl. Spermat. Parc Nat. Albert 2: 596 (1947); Boulos in Bot. Notis. 127: 412 (1974); Lawalrée, Dethier & Gilissen in F.A.C. Compositae: Cichorioideae: 35 (1986)
SONCHUS bipontini Robyns var. louisii [family COMPOSITAE], in B.J.B.B. 17: 105 (1943); Boulos in Bot. Notis. 127: 414 (1974); Lawalrée, Dethier & Gilissen in F.A.C. Compositae: Cichorioideae: 35 (1986). Type: Congo (Kinshasa), between Buronga and Kikeri swamp, Louis 5161 (BR!, holo.)