Centaurium strictum (Schiede) Druce in Rep. Bot. Soc. Exch. Club Brit. Isles 1916: 614. 1917 sec. Villarreal-Quintanilla & Martínez-Salas 2011
- =Erythraea stricta Schiede in Periód. Acad. Med. Mégico 1: 14–15. 1836 syn. sec. ???
- =Erythraea tetramera Schiede in Periód. Acad. Med. Mégico 1: 15, 14. 1836 syn. sec. ???
- =Centaurodes strictum (Schiede) Kuntze, Revis. Gen. Pl. 2: 426. 1891 syn. sec. ???
- =Centaurodes tetramerum (Schiede) Kuntze, Revis. Gen. Pl. 2: 426. 1891 syn. sec. ???
- =Erythraea retusa B.L. Rob. & Greenm. in Proc. Amer. Acad. Arts 32(1): 38. 1896 ["1897"] syn. sec. ???
- =Erythraea micrantha Greenm. in Proc. Amer. Acad. Arts 39(5): 83. 1903 ["1904"] syn. sec. ???
- =Centaurium tetramerum (Schiede) Eastw. in Proc. Amer. Acad. Arts 44: 606. 1909 syn. sec. ???
- =Centaurium micranthum (Greenm.) B.L. Rob. in Proc. Amer. Acad. Arts 45(17): 396. 1910 syn. sec. ???
- =Centaurium retusum (B.L. Rob. & Greenm.) B.L. Rob. in Proc. Amer. Acad. Arts 45(17): 397. 1910 syn. sec. ???