**Code**: [L](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=125426) **Organization**: Naturalis Biodiversity Center **Department**: Botany **Location**: Leiden, The Netherlands **Total number of specimens**: 5000000 **Current status**: Active **Date founded**: 1829 **Geographic coverage**: Wordwide, especially tropical Asia, tropical Africa, Central and South America **Incorporated herbaria**: WAG in 2014 (1,000,000), U in 2009 (900,000), AMD in 2007 (200,000 specimens), AVU in 1986 (40,000 specimens), American and Asian vascular plants of GRO in 1984 (50,000 specimens), Techn. Univ. Delft in 1983, NBV (150,000 specimens), Laboratory for Experimental Plant Systematics, Leiden., SRR (in part). **Important collectors**: C. d' Alleizette, C. L. Blume, K. B. Boedijn, B. K. Boom, L. H. Buse, C. E. Carr, J. Clemens, M. Clemens, M. A. Donk, F. Dozy, J. E. W. Elbert, A. D. E. Elmer, H. O. Forbes, P. Groenhart, H. J. G. Hallier, J. K. Hasskarl, F. Hauck, T. C. J. Herzog, P. Jansen, F. W. Junghuhn, A. Kappler, I. Keiske, J. H. Kern, W. D. J. Koch, G. W. Körber, P. W. Korthals, F. T. Kützing, C. J. I. Maximowicz, J. H. Molkenboer, S. J. van Ooststroom, C. A. J. A. Oudemans, C. H. Persoon, T. J. Reichgelt, C. G. C. Reinwardt, C. M. van der Sande Lacoste, J. A. Schultes, F. W. Sieber, P. F. von Siebold, J. L. van Soest, J. B. Spanoghe, F. L. Splitgerber, W. F. R. Suringar, E. H. G. Ule, W. H. de Vriese, W. H. Wachter, F. A. C. Waitz, A. A. Weber-van Bosse, J. S. Zaneveld, A. Zipelius, H. Zollinger **Notes**: Updated June 2022. Included WAG, U, and AMD which are merged with the Leiden (L) herbarium of Naturalis Biodiversity Center. **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.