Micrargeria filiformis (Schum. & Thonn.) Hutch. & Dalz. [family SCROPHULARIACEAE], in F.W.T.A. 2: 223 (1931); Hepper in F.W.T.A. ed. 2, 2: 366 (1963); Philcox in F.Z. 8(2): 151, t. 50 (1990); U.K.W.F.: 259 (1994). Type: Ghana, Pramforam and Ningo, Thonning 366 (C, syn.; P isosyn.)
Gerardia filiformis Schum. & Thonn. [family ], Beskr. Guin. Pl.: 272 (1827)
Sopubia filiformis (Schum. & Thonn.) G.Don [family SCROPHULARIACEAE], Gen. Syst. 4: 560 (1837)
Sopubia filiformis Hiern [family SCROPHULARIACEAE], Cat. Afr. Pl. Welw. 776 (1898) non (Schum. & Thonn.) G.Don., nom. illegit . Type: Angola, Huilla–Morino, de Morro de Momino, Welwitsch 5830 (LISC, syn.; BM, isosyn.) and Lopollo, Welwitsch 5831 (LISC, syn.; BM, isosyn.)
Gerardianella scopiformis Klotzsch [family ], in Peters, Reise Mossamb., Bot.: 229, t. 36 (1861). Type: Mozambique, Querimba, Peters s.n. (B†, holo.)
Sopubia scopiformis (Klotzsch) Vatke [family SCROPHULARIACEAE], in Linnaea 43: 313 (1882)
Micrargeria scopiformis (Klotzsch) Engl. [family SCROPHULARIACEAE], P.O.A. C. 359 (1895); Hemsl. & Skan in F.T.A. 4(2): 457 (1906)