Sunflowers, Daisies, Asters, and Allies - Photo (c) Ram-Man, some rights reserved (CC BY-SA) Comprehensive check list for Sunflowers, Daisies, Asters, and Allies (Family Asteraceae)
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: 23 06, 2012). (Link)