Amaryllis, Onions, and Allies - Photo (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo Comprehensive check list for Amaryllis, Onions, and Allies (Family Amaryllidaceae)
Source: 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: 51 07, 2012). (Link)