Contributions from the United States National Herbarium. Department of Botany, Smithsonian Institution.
Chicago Style (17th ed.) CitationContributions from the United States National Herbarium. Department of Botany, Smithsonian Institution.
MLA (8th ed.) CitationContributions from the United States National Herbarium. Department of Botany, Smithsonian Institution.
Warning: These citations may not always be 100% accurate.