Due to the federal government shutdown, the National Museum of Natural History is closed; programs and events at the museum are also canceled.
Collections Search Page
Images: Photo Archive | Botanical Illustrations | Image Use Policy
Index Nominum Genericorum (ING)
International Code of Nomenclature for algae, fungi, and plants: Appendices I–VII
The Plant Press
Contributions from the United States National Herbarium
Smithsonian Contributions to Botany