The Psilocybe cubensis mexican strain was originally found in southern Mexico in the region of Oaxaca, just outside of a small village. This is a very beautiful mushroom, and has been used by ancient civilizations since before history for spiritual purposes. It has been rumored that this strain was used to contact the gods of the local people, for spiritual awakenings, and for relaxed, colorful visions. If you are looking for a mellow strain, Mexican is for you.
This very popular strain has many documented accounts by people from Mexico who have used this strain claim that it is very spiritual in nature, although mellow.