Pretrea forbesii Decne. [family PEDALIACEAE], in Ann. Sci. Nat. Bot. Ser. 5, 3: 334 (1865).—Abels in Mem. Soc. Brot. 25: 219 (1975). Type: Mozambique, “ad sinum Delagoa Africae australis”, Forbes s.n. (K, isotype; P, holotype).
Dicerocaryum senecioides Kotzsch Abels [family PEDALIACEAE], in Mem. Soc. Brot. 25: 218 (1975). TAB. 26 fig. A. Type: Mozambique, Boror, Peters s.n. (B, holotype†; CGE, lectotype).
Pretrea artemisiaefolia Klotzsch [family PEDALIACEAE], in Peters, Reise Mossamb., Bot. 1: 189, t. 31 (1862), as “artemisiaefolia”. Type: Mozambique, Sena, Peninsula Cabaceira, Peters s.n. (B, holotype†).
Pretrea loasifolia Klotzsch [family PEDALIACEAE], in Peters, Reise Mossamb. Bot. 1: 188–189 (1862), as “loasaefolia”.—Abels in Mém. Soc. Brot. 25: 218 (1975). Type: Mozambique, Inhambane, Peters s.n. (B, holotype†).
Pretrea senecioides Klotzsch [family PEDALIACEAE], in Peters, Reise Mossamb., Bot. 1: 189–190, t. 32 (1862). Type as above.