Coachella Valley Wildflowers
Colorado Desert Wildflowers - A Guide to Flowering Plants of the Low Desert, including the Coachella Valley, Anza-Borrego Desert, and portions of Joshua Tree National Monument
Mojave Desert Wildflowers
Wildflowers of Joshua Tree National Park
Sonoran Desert Wildflowers
Introduction to California Desert Wildflowers - California Natural History Guides No. 74
Pacific States Wildflowers
Wildflowers of Orange County and the Santa Ana Mountains
Wildflowers of California - a Month-by-Month Guide
Introduction to California Spring Wildflowers of the Foothills, Valleys, and Coast - California Natural History Guides No. 75
Introduction to California Mountain Wildflowers - California Natural History Guides No. 68