**Code**: [BPI](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=126926) **Organization**: U.S. National Fungus Collections, USDA-ARS **Division**: Mycology and Nematology Genetic Diversity and Biology Laboratory **Department**: USDA-ARS **Location**: Beltsville, Maryland, U.S.A. **Total number of specimens**: 950000 **Current status**: Active **Date founded**: 1869 **Taxonomic coverage**: All groups of fungi, excluding lichens; exsiccatae with fungi including lichens **Incorporated herbaria**: Fungi of BKL, CAS (except fleshy fungi), DS, MO, PAC (59 000 specimens), US, WVA, and WARM (138), fungi of LLO on loan, G. P. Clinton smut fungi of NHES on permanent loan, G. W. Martin myxomycetes of IA on permanent loan since 1977., PACMA (67 000 specimens) in 2002. **Important collectors**: J. F. Adams, C. J. Alexopoulos, L. M. Ames, G. Bresadola, T. Brooks, F. Bubák, G. W. Carver, C. E. Chardon, R. Ciferri, E. Dick (Snell), M. L. Farr, C. L. Fergus, E. F. Guba, H. W. Harkness, G. G. Hedgcock, C. J. Humphrey, A. E. Jenkins, F. D. Kern, A. B. Langlois, C. G. Lloyd, W. H. Long, T. H. Macbride, G. W. Martin, C. R. Orton, L. O. Overholts, O. A. Reinking, D. R. Reynolds, L. D. von Schweinitz, C. L. Shear, W. H. Snell, P. C. Standley, J. A. Stevenson, H. W. Thurston, J. R. Weir, G. L. I. Zundel **Notes**: Updated Dec 2015 (staff changes). Information for all rust, smut, polypore, ascomycetes, deuteromycetes, agarics, oomycetes, and chytridiomycetes computerized and available (http://nt.ars-grin.gov/fungaldatabases/specimens/specimens.cfm). **Date modified in Index Herbariorum**: 2022-10-19 > [!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.