The authors wish to thank Paul Buseck for providing photographs of crop plants grown in the demonstration farm at TOCC West Campus. Danny Lopez provided some of the Tohono Oˊodham names and Regina Siquieros voiced the Tohono Oˊodham names for many of the audio clips. We also thank Dr. Daniel Austin for proofreading the first version of the Atlas and for many fruitful discussions on botanical and ethnobotanical topics.