**Code**: [SI](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=124891) **Organization**: Instituto de Botánica Darwinion **Location**: San Isidro, Buenos Aires, Argentina **Total number of specimens**: 749999 **Current status**: Active **Date founded**: 1911 **Taxonomic coverage**: Vascular plants **Geographic coverage**: Worldwide, Argentina and neighboring countries, North and South America, and Europe **Incorporated herbaria**: LPD **Important collectors**: M. Barros, O. Buchtien, A. Burkart, A. L. Cabrera, F. Felippone, E. Hassler, C. M. Hicken, P. Jörgensen, F. M. Rodríguez, T. Rojas, L. Sodiro, J. Steinbach, S. Venturi **Notes**: Updated Jan 2018 (geocoordinates). We are pleased to inform you that custom problems were solved by our Institution and therefore we can receive loans, safe and secure, at our traditional address. Finally, the shipment/s of botanical specimens should be sent by regular mail, i.e. not by private couriers (such as FedEx, DHL and so on). SI contains more than 700,000 specimens, including 6000 types, 2400 periodicals, 8500 books, and the updated checklist of vascular plants can be viewed on the SI web page. SI is part of Academia Nacional de Ciencias Exactas, Físicas y Naturales de Buenos Aires and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). **Date modified in Index Herbariorum**: 2021-10-29 > [!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.