http://fichas.infojardin.com/bulbosas/gladiolus-gladiolo-gladiolos-espadilla.htm

http://redescolar.ilce.edu.mx/redescolar/publicaciones/publi_reinos/flora/gladiolo/gladiolo.htm

http://www.corbisimages.com/stock-photo/rights-managed/42-30086892/a-wild-gladiolus-gladiolus-watsonioides-which-grows?popup=1