**Code**: [WAG](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=126969) **Organization**: Naturalis Biodiversity Center **Department**: Botany **Location**: Leiden, The Netherlands **Total number of specimens**: 1000000 **Current status**: Permanently closed **Date founded**: 1896 **Taxonomic coverage**: Cultivated ornamentals; food plants; mainly vascular plants **Geographic coverage**: Worldwide, especially tropical Africa, Mediterranean, and Europe **Incorporated herbaria**: African vascular plants of GRO, Dutch cultivated plants of WAHO, Asian and various plants of former Colonial Museum Haarlem, WBS (25 950 specimens) in 1999. **Important collectors**: J. C. Arends, C. G. Baenitz, B. Balansa, H. J. Beentje, W. Beijerinck, R. G. van den Berg, M. A. van Bergen, P. C. Billot, P. E. Boissier, B. K. Boom, J. J. Bos, E. Bourgeau, F. J. Breteler, J. de Bruin, G. Clifford, K. Dinter, E. M. C. Groenendijk, F. von Hausmann zu Stetten, H. C. Haussknecht, T. von Heldreich, C. F. Hochstetter, R. F. Hohenacker, A. Huet du Pavillon, J. W. A. Jansen, P. C. M. Jansen, J. Jeswiet, P. C. de Jong, C. C. H. Jongkind, J. de Koning, C. G. T. Kotschy, J. L. Kralik, F. M. van der Laan, A. J. M. Leeuwenberg, A. M. Louis, L. J. G. van der Maesen, J. K. Morton, F. I. van Nek, F. W. Noë, T. G. Orphanides, J. M. Reitsma, H. Ross, A. G. H. Rudatis, C. Salle, G. H. W. Schimper, R. R. Schippers, F. R. R. Schlechter, M. Schlechter, S. Segal, P. E. E. Sintenis, M. S. M. Sosef, L. A. Springer, W. C. H. Staring, A. C. W. Staring, H. U. Staufer, J. M. C. Stevels, A. F. Stolz, W. F. R. Suringar, A. Touw, J. Valckenier Suringar, J. C. Vegilin van Claerbergen, P. Vermeulen, A. G. Voorhoeve, V. Westhoff, J. J. Wieringa, D. O. Wijnands, J. J. F. E. de Wilde, W. J. J. O. de Wilde, H. C. D. de Wit, G. A. Zenker, A. P. M. van der Zon **Notes**: Updated June 2022. The WAG herbarium is since 2014 part of the Leiden herbarium (L) of Naturalis Biodiversity Center. Updated May 2015. In 2014 transfered to Leiden, 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.