Linum orizabae Planch., London J. Bot. 7: 482. 1848 sec. Burgos-Hernández & Castillo-Campos 2020
- ≡Cathartolinum orizabae (Planch.) Small, N. Amer. Fl. 25: 79. 1907 syn. sec. Burgos-Hernández & Castillo-Campos 2020
- =Linum hypericifolium C. Presl, Reliq. Haenk. 2: 2. 1831 syn. sec. Burgos-Hernández & Castillo-Campos 2020
- =Linum lecheoides S. Watson, Proc. Amer. Acad. Arts 17: 332. 1882 syn. sec. Burgos-Hernández & Castillo-Campos 2020
- =Cathartolinum hypericifolium (C.Presl) Small., N. Amer. Fl. 25: 80. 1907 syn. sec. Burgos-Hernández & Castillo-Campos 2020
- =Cathartolinum lecheoides Small, N. Amer. Fl. 25: 79. 1907 syn. sec. Burgos-Hernández & Castillo-Campos 2020