| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Sonoran Desert Wildflowers: A Field Guide to the Common Wildflowers of the Sonoran Desert, Including Anza-Borrego Desert State Park, Saguaro National ... Joshua Tree National Park | 978-O-7627-1136-9 (O-7627-1136-1) | 2003 |
(D-R) · D Richard · D S · Dr. S. · R. S. · Richard S. · Richard Spellenberg