References:

Donald R. Kirk, Wild Edible Plants of Western North America, 1975. Naturegraph Publishers Inc., Happy Camp, CA.

Philip A. Munz, Introduction to California Spring Wildflowers of the Foothills, Valleys, and Coast, 2004. Regents of the University of California, Berkeley, CA.

Theodore F. Niehaus, Sierra Wildflowers – Mt. Lassen to Kern Canyon, 1974. University of California Press, Berkeley, CA.

Arthur Shahzade, Wildlfowers of California’s Central Valley and Neighboring Sierra, 2004. Jostens, Inc. Visalia, CA.

Richard Spellenberg, The Audubon Field Guide to North American Wildflowers, 1979. Alfred A. Knopf, Inc., New York, NY.

Muriel Sweet, Common Edible Plants of the West, 1976. Naturegraph Publishers Inc., Happy Camp, CA 1976.

Karen Wiese, Sierra Nevada Wildflowers, 2000. Falcon Publishing, Inc. Helena, MT.

Links:

Calflora

Calphoto

Wikipedia