Sisyrinchium schaffneri S. Watson Sisyrinchium schaffneri S. Watson in Proc. Amer. Acad. Arts 18: 160-161. 1883 sec. Espejo Serna & al. 2010=Hydastylus schaffneri (S. Watson) E.P. Bicknell in Bull. Torrey Bot. Club 27: 383. 1900 syn. sec. Espejo-Serna & López-Ferrari 2008