Sisyrinchium cernuum (E.P. Bicknell) Kearney Sisyrinchium cernuum (E.P. Bicknell) Kearney in Leafl. W. Bot. 5: 197. 1949 sec. Espejo Serna & al. 2010≡Hydastylus cernuus E.P. Bicknell in Bull. Torrey Bot. Club 27: 384-385. 1900 syn. sec. Espejo Serna & al. 2010