Columbia subject headings:
Harvard subject headings:
Materia medica, Vegetable--Brazil--Rio Grande do Sul.
Medicinal plants--Brazil--Rio Grande do Sul.
Traditional medicine--Brazil--Rio Grande do Sul.
Princeton subject headings:
Materia medica, Vegetable--Brazil--Rio Grande do Sul.
Medicinal plants--Brazil--Rio Grande do Sul.
Traditional medicine--Brazil--Rio Grande do Sul.