Bolivia boasts over 17,000 species of seed plants, including over 1,200 species of fern, 1,500 species of "marchantiophyta" and moss, and at least 800 species of fungus. In addition, there are more than 3,000 species of medicinal plants. Bolivia is considered the place of origin for such species as peppers and chili peppers, peanuts, the common beans, yucca, and several species of palm. Bolivia also naturally produces over 4,000 kinds of potatoes. The country had a 2018 Forest Landscape Integrity Index mean score of 8.47/10, ranking it 21st globally out of 172 countries.