**Code**: [U](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=125427) **Organization**: Naturalis Biodiversity Center **Department**: Botany **Location**: Leiden, The Netherlands **Total number of specimens**: 900000 **Current status**: Permanently closed **Date founded**: 1816 **Geographic coverage**: Central and South America, especially the Guianas **Important collectors**: I. Boldingh, A. F. H. Buining, A. M. Cleef, J. van Donselaar, A. Farjon, P. A. Florschütz, H. C. Focke, S. R. Gradstein, F. W. Hostmann, M. J. Jansen-Jacobs, A. Kappler, K. U. Kramer, J. Lanjouw, P. J. M. Maas, F. A. W. Miquel, F. H. F. Oldenburger, A. A. Pulle, F. Ritter, H. J. M. Sipman, A. L. Stoffers, J. G. Wessels Boer **Notes**: Updated June 2022. The Utrecht herbarium is since 2009 part of the Leiden (L) botany collection of Naturalis Biodiversity Center. Updated May 2015. In 2009, transfered to L, curated as a separate collection. **Date modified in Index Herbariorum**: 2022-06-15 > [!cite] This page is automatically generated • Data on this page were obtained from [Index Herbariorum](https://sweetgum.nybg.org/science/ih/) on 2023-08-23. • Meaning of acronyms in TL-2 is not always the same as in IH. Consult list of original [[Abbreviations|abbreviations]] if you suspect acronym mismatch.