Contributions from the United States National Herbarium : 2000 / United States National Herbarium. United States National Museum. - National Museum of Natural History, - v. : ill. Description based on : Vol. 39 :1-128 (2000). ISSN: 0097-1618 Subjects--Index Terms: ბოტანიკა პერიოდიკა Universal Decimal Class. No.: 58(05)