Helechos Macho - Photo (c) Dustin Urban, todos los derechos reservados, subido por Dustin Urban Lista exhaustiva de Helechos Macho (Familia Dryopteridaceae)
Fuente: Calflora: Information on California plants for education, research and conservation. [web application]. 2012. Berkeley, California: The Calflora Database [a non-profit organization]. Available: http://www.calflora.org/ (Accessed: 29 07, 2012). (Vínculo)