CONYZA gouanii (L.) Willd. [family COMPOSITAE], in Sp. Pl. ed. 4, 3: 1928 (1803); DC., Prodr. 5: 380 (1836); Oliv. & Hiern in F.T.A. 3: 316 (1877); C.D. Adams in F.W.T.A. ed. 2, 2: 254 (1963); Wild & Pope in Kirkia 10: 60 (1975), but see note; U.K.W.F. ed. 2: 207, t. 84 (1994), but see note. Type not designated.
Erigeron gouanii L. [family COMPOSITAE], Mant. Pl. Alt.: 469 (1771)
Conyza gnaphalioides [family COMPOSITAE], [sensu A. Rich., Tent. Fl. Abyss. 1: 389 (1848). Type: Ethiopia, near Adwa [Adoua], Schimper & Quartin Dillon 342 (P!, holo., K!, iso.), nom. illegit ., non Humbold & Bonpland (1840)]
Conyza parvicapitulata Lisowski [family COMPOSITAE], Aster. Fl. Afr. Centr. 1: 84, fig. 20 (1991), syn. nov. Type: Congo (Kinshasa), Kolwezi, Lisowski 84840 (POZG, holo., BR!, iso.)