Olmos - Photo (c) Laurie Sheppard, algunos derechos reservados (CC BY-NC), subido por Laurie Sheppard Lista exhaustiva de Olmos (Familia Ulmaceae)
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: 25 07, 2012). (Vínculo)