Definition of Fructus Naturales
Those products which are produced by the powers of nature alone; as wool, metals, milk, the young of animals. Term includes any plant which has perennial roots, such as trees, shrubs, and grasses. Key v. Loder, D.C.Mun.App., 182 A.2d 60, 61.
That's the definition of Fructus Naturales in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.