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Calea ternifolia
Calea Ternifolia (syn. Calea Zacatechichi), also known as bitter-grass and dream herb, is a flowering plant in the family Asteraceae. It is native to Mexico and Central America where it has a history of use by the Mazatec people of Oaxaca as a ritual and divinatory aid, to help induce prophetic dreams and to hear the voices of the spirits.