**Code**: [USM](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=126422) **Organization**: Universidad Nacional Mayor de San Marcos **Division**: Museo de Historia Natural **Department**: Division de Botánica **Location**: Lima, Lima, Peru **Total number of specimens**: 800000 **Current status**: Active **Date founded**: 1948 **Geographic coverage**: Tropical Amazon Basin and Andes of Peru **Important collectors**: A. Cano, E. Cerrate, R. Ferreyra, R. B. Foster, A. H. Gentry, C. Grandez, P. C. Hutchison, B. León, P. Nuñez, T. Plowman, A. Raimondi, D. Smith, O. Tovar S., R. Vasquez, A. Weberbauer, F. Woytkowski, J. J. Wurdack **Notes**: Updated Dec 2020 (staff, email address updated). Loans of rare species restricted. **Date modified in Index Herbariorum**: 2023-01-04 > [!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.