Sisyrinchium bellum S. Watson in Proc. Amer. Acad. Arts 12: 277. 1877 sec. Espejo-Serna & López-Ferrari 2008
- =Sisyrinchium angustifolium var. bellum (S. Watson) Baker, Handb. Irid.: 124. 1892 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Bermudiana bella (S. Watson) Greene, Man. Bot. San Francisco: 308. 1894 syn. sec. Espejo-Serna & López-Ferrari 2008