Columbia subject headings:
Botany, Economic--Sonoran Desert.
Desert plants--Sonoran Desert.
Ethnobotany--Sonoran Desert.
Indians of North America--Ethnobotany--Sonoran Desert.
Harvard subject headings:
Botany, Economic--Sonoran Desert.
Desert plants--Sonoran Desert.
Ethnobotany--Sonoran Desert.
Indians of North America--Ethnobotany--Sonoran Desert.
Personal narratives.
Princeton subject headings:
Botany, Economic--Sonoran Desert.
Desert plants--Sonoran Desert.
Ethnobotany--Sonoran Desert.
Indians of North America--Sonoran Desert--Ethnobotany.