- E-bookShore Wildflowers of California, Oregon, and WashingtonPhilip A. Munz
- E-bookCalifornia Spring WildflowersPhilip A. Munz
- E-bookIntroduction to California Desert WildflowersPhilip A. Munz
- E-bookSupplement to A California FloraPhilip A. Munz
- E-bookIntroduction to Shore Wildflowers of California, Oregon, and WashingtonPhilip A. Munz
- E-bookCalifornia Desert WildflowersPhilip A. Munz
- E-bookIntroduction to California Spring Wildflowers of the Foothills, Valleys, and CoastPhilip A. Munz
- E-bookSerie: California Natural History GuidesSam Hinton