References for Plant Identification and Classification
- Eastern/Central Medicinal Plants
- Introduction to the Jepson Manual
- Pacific States Wildflowers, Theodore F. Niehaus/Charles L. Ripper
- Rodale's Illustrated Encyclopedia of Herbs
- Spring Wildflowers of the San Francisco Bay Region
- Thistle Greens and Mistletoe, James Wiltens
- Vascular Plant Families, James Payne Smith, Jr.