ANTHOSPERMUM usambarense K. Schum. [family RUBIACEAE], in E.J. 28: 112 (1899); F.P.N.A. 2: 372, t. 37 (1947); T.T.C.L.: 483 (1949); Brenan in Mem. N.Y. Bot. Gard. 8: 455 (1954); A.V.P.: 176, 328 (1957); K.T.S.: 425 (1961). Types: Tanzania, W. Usambara Mts., Holst 420 (B, syn. †) & Kwai, Eick (B, syn. †)
ANTHOSPERMUM leuconeuron K. Schum. [family RUBIACEAE], in E.J. 30: 517 (1901); T.T.C.L.: 483 (1949). Type: Tanzania, Mbeya Mt., Goetze 1081 (B, holo.†, BM, BR, K, P, iso.!)
ANTHOSPERMUM aberdaricum K. Krause [family RUBIACEAE], in N.B.G.B. 10: 609 (1929). Types: Kenya, Aberdares, Kinangop Summit, Fries & Fries 2574 (B, syn.†, BR, K, S, UPS, isosyn.!) & same area, Satima summit, Fries & Fries 2465 (B, syn.†, K, UPS, isosyn.!)
ANTHOSPERMUM uwembae Gilli [family RUBIACEAE], in Ann. Naturhist Mus. Wien 77: 18, fig. 1 (1973). Type: Tanzania, Njombe District, Uwemba, Gilli 399 (W, holo.!)