Calea zacatechichi, also known as Dream Herb, Cheech, and Bitter Grass, is a plant used by the indigenous Chontal of the Mexican state of Oaxaca for oneiromancy (a form of divination based on dreams).

Helinus integrifolius has been used by African shamans and diviners for hundreds of years because they believe it helps them to interpret dreams better and even produce prophetic visions.

Guayusa is used by people of the Amazon basin. It has the interesting effect of inducing lucid dreaming. For this reason, it is known as the "watchman's plant".

The root is used in an Ubulawu mix. Ubulawu plays a fundamental role in the relationship between the diviner and the ancestors.

Silene capensis is native to the river valleys of the eastern cape province of South Africa. This obscure flowering species is regarded by local shamans as a type of "Ubulawu" that they call "Undlela Ziimhlophe".

Synaptolepis kirkii has been said to induce lucid dreams. Its root infusions are used in rituals and for those trying to communicate with ancestral spirits or have prophetic visions.