Psychedelic experience sources of some psychedelic drugs such as ayahuasca and mescaline-containing cacti are sometimes referred to as "plant teachers". Similarly, in a follow-up to the psilocybin and mysticism study at Johns Hopkins, researchers observed that psilocybin: "occasions personally and spiritually significant mystical experiences that predict long-term changes in behaviors, attitudes and values". Psychedelic experience includes the full range of mystical or religious experiential phenomena. Two scientific studies have concluded that psilocybin (a typical psychedelic compound that occurs naturally in psilocybin mushrooms) reliably triggers mystical-type experiences. The more recent study at Johns Hopkins University identified mystical experiences by means of several questionnaires
Passerina (plant) endemic to Southern Africa, most species within South Africa, though some extend north of the border. The greatest concentration of species is in Cape fynbos, where some species are endemic to very small regions. "Passerina ericoides" for example occurs naturally only on the Cape Peninsula and the vicinity of False Bay There are some 20 accepted species in the genus "Passerina" plus about sixty unresolved and over 100 synonyms. The following are the accepted species, omitting subspecies. "Passerina" is a generally insignificant genus, seldom noticed by the non-botanist. The attractive ericoid habit and fuss-free growth make it a useful subject