Australia has been discovered to have 734 endemic species of Eucalyptus, which is one of the world's most used natural medicines. There are over 200 known species of Melaleuca, also known as Tea Tree, and most of them are native to Australia. Growing in various types of soil, they are usually found along with bodies of water. Major Australian essential oils and plant extracts include Eucalyptus, Sandalwood, Lavender, Peppermint, Ginseng, and Echinacea.